fix gitea actions missing go

.gitea/workflows/lint.yml

@@ -0,0 +1,16 @@
+name: Lint
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+
+jobs:
+  shellcheck:
+    runs-on: local
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Shellcheck
+        run: sudo apt-get update && sudo apt-get install -y shellcheck
+      - name: Run Shellcheck
+        run: shellcheck kewt.sh markdown.sh tools/build-standalone.sh || true

.gitea/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Release Standalone Builder
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: local
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build standalone executable
+        run: |
+          chmod +x tools/build-standalone.sh
+          ./tools/build-standalone.sh
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: Upload Release Asset
+        uses: https://gitea.com/actions/release-action@main
+        with:
+          files: |-
+            kewt
+          api_key: '${{secrets.GITEA_TOKEN}}'

.github/workflows/lint.yml

@@ -0,0 +1,16 @@
+name: Lint
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+
+jobs:
+  shellcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Shellcheck
+        run: sudo apt-get update && sudo apt-get install -y shellcheck
+      - name: Run Shellcheck
+        run: shellcheck kewt.sh markdown.sh tools/build-standalone.sh || true

.github/workflows/release.yml

@@ -0,0 +1,25 @@
+name: Release Standalone Builder
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build standalone executable
+        run: |
+          chmod +x tools/build-standalone.sh
+          ./tools/build-standalone.sh
+
+      - name: Upload Release Asset
+        uses: softprops/action-gh-release@v2
+        with:
+          files: kewt

.gitignore

@@ -1 +1,2 @@
 out/
+kewt

README.md

@@ -38,6 +38,11 @@ style = "kewt"
 dir_indexes = true
 single_file_index = true
 flatten = false
+order = ""
+home_name = "Home"
+show_home_in_nav = true
+nav_links = ""
+nav_extra = ""
 footer = "made with <a href="https://kewt.krzak.org">kewt</a>"
 logo = ""
 display_logo = false
@@ -51,6 +56,11 @@ favicon = ""
 - `dir_indexes` generate directory index pages when missing `index.md`
 - `single_file_index` if a directory has one markdown file and no `index.md`, use that file as `index.html`
 - `flatten` flatten sidebar directory levels
+- `order` comma separated file/directory name list to order the sidebar (alphabetical by default)
+- `home_name` text for the home link in navigation (default: "Home")
+- `show_home_in_nav` show home link in navigation (default: true)
+- `nav_links` comma separated extra nav links, as bare URLs or Markdown links like `[Label](https://example.com)`
+- `nav_extra` raw HTML appended inside the `<nav>` after the generated link list
 - `footer` footer html/text shown at the bottom of pages
 - `logo` logo image path (used in header if enabled)
 - `display_logo` show logo in header
@@ -58,6 +68,12 @@ favicon = ""
 - `logo_as_favicon` use `logo` as favicon
 - `favicon` explicit favicon path (used when `logo_as_favicon` is false or no logo is set)
 
+## Ignores
+
+- `.kewtignore`: Files/directories to ignore. If empty, the whole directory gets ignored
+- `.kewthide`: Files/directories to hide from navigation but still process. Same empty rules as with ignore
+- `.kewtpreserve`: Files/directories to copy but not convert markdown to html. Same empty rules again
+
 ## Embeds
 
 - `\![link]`:
@@ -73,6 +89,5 @@ favicon = ""
 - Markdown to html conversion based on [markdown.bash](https://github.com/chadbraunduin/markdown.bash) by [chadbraunduin](https://github.com/chadbraunduin)
 - Default css style and html template based on _[kew](https://github.com/uint23/kew)_ by [uint23](https://github.com/uint23)
 
-# Warning
+>[!WARNING]
->![WARNING]
 >Most of this was coded at night, while sleepy and a bit sick, and after walking for about 4 hours around a forest, so...

awk/blockquote.awk

@@ -0,0 +1,14 @@
+BEGIN { in_bq = 0 }
+/^>[[:space:]]?/ {
+    if (!in_bq) { print "<blockquote>"; in_bq = 1 }
+    sub(/^>[[:space:]]?/, "", $0)
+    print $0
+    next
+}
+{
+    if (in_bq) { print "</blockquote>"; in_bq = 0 }
+    print
+}
+END {
+    if (in_bq) print "</blockquote>"
+}

awk/blockquote_to_admonition.awk

@@ -0,0 +1,46 @@
+function cap(s) { return toupper(substr(s, 1, 1)) tolower(substr(s, 2)) }
+BEGIN { count = 0 }
+{ lines[++count] = $0 }
+END {
+    i = 1
+    while (i <= count) {
+        if (lines[i] == "<blockquote>") {
+            j = i + 1
+            while (j <= count && lines[j] != "</blockquote>") j++
+            if (j <= count) {
+                first = ""
+                first_idx = 0
+                for (k = i + 1; k < j; k++) {
+                    if (lines[k] != "") {
+                        first = lines[k]
+                        first_idx = k
+                        break
+                    }
+                }
+                if (first ~ /^\[![A-Za-z]+\]$/) {
+                    kind = first
+                    sub(/^\[!/, "", kind)
+                    sub(/\]$/, "", kind)
+                    lkind = tolower(kind)
+                    if (lkind == "note" || lkind == "tip" || lkind == "important" || lkind == "warning" || lkind == "caution") {
+                        print "<div class=\"admonition admonition-" lkind "\">"
+                        print "<p class=\"admonition-title\">" cap(lkind) "</p>"
+                        has_body = 0
+                        for (k = first_idx + 1; k < j; k++) {
+                            if (lines[k] != "") {
+                                print "<p>" lines[k] "</p>"
+                                has_body = 1
+                            }
+                        }
+                        if (!has_body) print "<p></p>"
+                        print "</div>"
+                        i = j + 1
+                        continue
+                    }
+                }
+            }
+        }
+        print lines[i]
+        i++
+    }
+}

awk/breaks.awk

@@ -0,0 +1,5 @@
+{
+    if ($0 == "" && prev == "") print "<br />"
+    else print $0
+    prev = $0
+}

awk/fenced_code.awk

@@ -0,0 +1,28 @@
+BEGIN { in_fence = 0; first_line = 0 }
+{
+    if (!in_fence && $0 ~ /^```/) {
+        in_fence = 1
+        first_line = 1
+        next
+    }
+    if (in_fence && $0 ~ /^```[[:space:]]*$/) {
+        print "</code></pre>"
+        in_fence = 0
+        next
+    }
+    if (in_fence) {
+        gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
+        if (first_line) {
+            first_line = 0
+            if ($0 == "") next
+            print "<pre><code>" $0
+        } else {
+            print
+        }
+    } else {
+        print
+    }
+}
+END {
+    if (in_fence) print "</code></pre>"
+}

awk/generate_sidebar.awk

@@ -4,6 +4,34 @@ function title_from_name(name) {
     return name
 }
 
+function compare_paths(p1, p2,    parts1, parts2, n1, n2, i, name1, name2, lname1, lname2, w1, w2) {
+    n1 = split(p1, parts1, "/")
+    n2 = split(p2, parts2, "/")
+    for (i = 1; i <= n1 && i <= n2; i++) {
+        name1 = parts1[i]
+        name2 = parts2[i]
+        if (i == n1) gsub(/\.md$/, "", name1)
+        if (i == n2) gsub(/\.md$/, "", name2)
+        lname1 = tolower(name1)
+        lname2 = tolower(name2)
+
+        if (lname1 == "index" && i == n1 && lname2 != "index") return -1
+        if (lname2 == "index" && i == n2 && lname1 != "index") return 1
+
+        w1 = (lname1 in custom_order ? custom_order[lname1] : 999999)
+        w2 = (lname2 in custom_order ? custom_order[lname2] : 999999)
+
+        if (w1 < w2) return -1
+        if (w1 > w2) return 1
+
+        if (lname1 < lname2) return -1
+        if (lname1 > lname2) return 1
+    }
+    if (n1 < n2) return -1
+    if (n1 > n2) return 1
+    return 0
+}
+
 BEGIN {
     n_dlines = split(dinfo, dlines, "\n")
     for (i = 1; i <= n_dlines; i++) {
@@ -12,6 +40,16 @@ BEGIN {
             d_dirs[dparts[1]] = dparts[3]
         }
     }
+
+    n_order = split(order, oparts, ",")
+    for (i = 1; i <= n_order; i++) {
+        name = oparts[i]
+        sub(/^[[:space:]]*/, "", name)
+        sub(/[[:space:]]*$/, "", name)
+        if (name != "") {
+            custom_order[tolower(name)] = i
+        }
+    }
 }
 
 {
@@ -31,9 +69,20 @@ BEGIN {
 }
 
 END {
+    for (i = 0; i < count - 1; i++) {
+        for (j = 0; j < count - i - 1; j++) {
+            if (compare_paths(ordered_paths[j], ordered_paths[j+1]) > 0) {
+                tmp = ordered_paths[j]
+                ordered_paths[j] = ordered_paths[j+1]
+                ordered_paths[j+1] = tmp
+            }
+        }
+    }
+
     print "<ul>"
-    if ("index.md" in all_paths) {
+    if (show_home_in_nav == "true" && "index.md" in all_paths) {
-        print "<li><a href=\"/index.html\">Home</a></li>"
+        if (home_name == "") home_name = "Home"
+        print "<li><a href=\"/index.html\">" home_name "</a></li>"
     }
 
     depth = 0

awk/headers.awk

@@ -0,0 +1,79 @@
+function strip_markdown(s) {
+    gsub(/<[^>]+>/, "", s)
+    gsub(/[*_`~]/, "", s)
+    gsub(/[\[\]]/, "", s)
+    gsub(/\([^\)]*\)/, "", s)
+    gsub(/^[[:space:]]+|[[:space:]]+$/, "", s)
+    gsub(/[[:space:]]+/, "-", s)
+    return s
+}
+function print_header(line) {
+    if (line ~ /^# /) {
+        sub(/^# /, "", line); print "<h1 id=\"" strip_markdown(line) "\">" line "</h1>"
+    } else if (line ~ /^## /) {
+        sub(/^## /, "", line); print "<h2 id=\"" strip_markdown(line) "\">" line "</h2>"
+    } else if (line ~ /^### /) {
+        sub(/^### /, "", line); print "<h3 id=\"" strip_markdown(line) "\">" line "</h3>"
+    } else if (line ~ /^#### /) {
+        sub(/^#### /, "", line); print "<h4 id=\"" strip_markdown(line) "\">" line "</h4>"
+    } else if (line ~ /^##### /) {
+        sub(/^##### /, "", line); print "<h5 id=\"" strip_markdown(line) "\">" line "</h5>"
+    } else if (line ~ /^###### /) {
+        sub(/^###### /, "", line); print "<h6 id=\"" strip_markdown(line) "\">" line "</h6>"
+    } else {
+        print line
+    }
+}
+BEGIN {
+    has_prev = 0
+    in_pre = 0
+}
+{
+    if ($0 ~ /^<pre><code>/) {
+        in_pre = 1
+        if (has_prev && prev != "") { print_header(prev); has_prev = 0 }
+        print
+        next
+    }
+    if (in_pre) {
+        if ($0 ~ /<\/code><\/pre>/) in_pre = 0
+        print
+        next
+    }
+
+    if ($0 ~ /^=+$/) {
+        if (has_prev && prev != "" && prev !~ /^<[a-z]/) {
+            print "<h1 id=\"" strip_markdown(prev) "\">" prev "</h1>"
+            has_prev = 0
+        } else {
+            if (has_prev) print_header(prev)
+            print $0
+            has_prev = 0
+        }
+    } else if ($0 ~ /^-+$/) {
+        if (has_prev && prev != "" && prev !~ /^<[a-z]/) {
+            print "<h2 id=\"" strip_markdown(prev) "\">" prev "</h2>"
+            has_prev = 0
+        } else {
+            if (has_prev) print_header(prev)
+            if (length($0) >= 3) print "<hr />"
+            else print $0
+            has_prev = 0
+        }
+    } else if ($0 ~ /^[*_]+$/ && length($0) >= 3) {
+        if (has_prev) print_header(prev)
+        print "<hr />"
+        has_prev = 0
+    } else {
+        if (has_prev) {
+            print_header(prev)
+        }
+        prev = $0
+        has_prev = 1
+    }
+}
+END {
+    if (has_prev) {
+        print_header(prev)
+    }
+}

awk/indented_code.awk

@@ -0,0 +1,9 @@
+BEGIN { in_code = 0 }
+/^	|    / {
+    if (!in_code) { print "<pre><code>"; in_code = 1 }
+    sub(/^	|    /, "", $0)
+    gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
+    print; next
+}
+{ if (in_code) { print "</code></pre>"; in_code = 0 } print }
+END { if (in_code) print "</code></pre>" }

awk/lists.awk

@@ -0,0 +1,66 @@
+BEGIN {
+    depth = 0
+    in_pre = 0
+}
+
+{
+    if ($0 ~ /^<pre>/) in_pre = 1
+    if (in_pre) {
+        while (depth > 0) { print "</" cur_type[depth] ">"; depth-- }
+        print
+        if ($0 ~ /<\/pre>/) in_pre = 0
+        next
+    }
+
+    line = $0
+    type = ""
+    # match list marker and its preceding spaces
+    if (line ~ /^[ \t]*[*+-] /) {
+        type = "ul"
+        match(line, /^[ \t]*[*+-] /)
+        marker_len = RLENGTH
+    } else if (line ~ /^[ \t]*[0-9]+\. /) {
+        type = "ol"
+        match(line, /^[ \t]*[0-9]+\. /)
+        marker_len = RLENGTH
+    }
+
+    if (type != "") {
+        content = substr(line, marker_len + 1)
+        # get indentation level
+        match(line, /^[ \t]*/)
+        indent = RLENGTH
+        
+        if (depth == 0 || indent > cur_indent[depth]) {
+            depth++
+            cur_indent[depth] = indent
+            cur_type[depth] = type
+            print "<" type ">"
+        } else {
+            while (depth > 1 && indent < cur_indent[depth]) {
+                print "</" cur_type[depth] ">"
+                depth--
+            }
+            if (type != cur_type[depth]) {
+                print "</" cur_type[depth] ">"
+                cur_type[depth] = type
+                print "<" type ">"
+            }
+        }
+
+        print "<li>" content "</li>"
+    } else {
+        while (depth > 0) {
+            print "</" cur_type[depth] ">"
+            depth--
+        }
+        print line
+    }
+}
+
+END {
+    while (depth > 0) {
+        print "</" cur_type[depth] ">"
+        depth--
+    }
+}

awk/markdown_embed.awk

@@ -119,11 +119,35 @@ function css_highlight_line(line,    m, prop, val) {
         return "<span class=\"tok-punc\">}</span>"
     }
 
-    if (match(line, /^([[:space:]]*)(--?[A-Za-z0-9_-]+)([[:space:]]*:[[:space:]]*)([^;]*)(;?[[:space:]]*)$/, m)) {
+    if (line ~ /^[[:space:]]*--?[A-Za-z0-9_-]+[[:space:]]*:[[:space:]]*[^;]*;?[[:space:]]*$/) {
-        prop = "<span class=\"tok-prop\">" m[2] "</span>"
+        match(line, /:[[:space:]]*/)
-        gsub(/var\(--[A-Za-z0-9_-]+\)/, "<span class=\"tok-var\">&</span>", m[4])
+        sep_pos = RSTART
-        val = "<span class=\"tok-val\">" m[4] "</span>"
+        sep_len = RLENGTH
-        return m[1] prop m[3] val m[5]
+        
+        pre_sep = substr(line, 1, sep_pos - 1)
+        sep = substr(line, sep_pos, sep_len)
+        post_sep = substr(line, sep_pos + sep_len)
+        
+        match(pre_sep, /--?[A-Za-z0-9_-]+/)
+        prop_pos = RSTART
+        prop_len = RLENGTH
+        
+        indent = substr(pre_sep, 1, prop_pos - 1)
+        prop_name = substr(pre_sep, prop_pos, prop_len)
+        
+        if (match(post_sep, /;[[:space:]]*$/)) {
+            val_part = substr(post_sep, 1, RSTART - 1)
+            suffix = substr(post_sep, RSTART)
+        } else {
+            val_part = post_sep
+            suffix = ""
+        }
+        
+        prop = "<span class=\"tok-prop\">" prop_name "</span>"
+        gsub(/var\(--[A-Za-z0-9_-]+\)/, "<span class=\"tok-var\">&</span>", val_part)
+        val = "<span class=\"tok-val\">" val_part "</span>"
+        
+        return indent prop sep val suffix
     }
 
     return line

awk/markdown_inline.awk

@@ -0,0 +1,202 @@
+BEGIN {
+    in_pre = 0
+}
+
+function mask_html_tags(s,    out, rest, start, len, tag, token) {
+    out = ""
+    rest = s
+    html_tag_count = 0
+    while (match(rest, /<[^>]+>/)) {
+        out = out substr(rest, 1, RSTART - 1)
+        start = RSTART
+        len = RLENGTH
+        tag = substr(rest, start, len)
+        html_tag_count++
+        html_tag_token[html_tag_count] = "\034HT" html_tag_count "\034"
+        html_tag_value[html_tag_count] = tag
+        out = out html_tag_token[html_tag_count]
+        rest = substr(rest, start + len)
+    }
+    return out rest
+}
+
+function restore_html_tags(s,    i) {
+    for (i = 1; i <= html_tag_count; i++) {
+        gsub(html_tag_token[i], html_tag_value[i], s)
+    }
+    return s
+}
+
+{
+    if ($0 ~ /<pre>/) {
+        in_pre = 1
+    }
+
+    if (in_pre) {
+        print
+        if ($0 ~ /<\/pre>/) {
+            in_pre = 0
+        }
+        next
+    }
+
+    line = $0
+
+    # automatic links
+    while (match(line, /<https?:\/\/[^>]+>/)) {
+        start = RSTART; len = RLENGTH
+        url = substr(line, start + 1, len - 2)
+        repl = "<a href=\"" url "\">" url "</a>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+
+    # automatic email address links
+    while (match(line, /<[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}>/)) {
+        start = RSTART; len = RLENGTH
+        email = substr(line, start + 1, len - 2)
+        repl = "<a href=\"mailto:" email "\">" email "</a>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+
+    # force-inline image syntax (double bang)
+    while (match(line, /!!\[[^\]]*\]\([^\)]+ "[^"]*"\)/)) {
+        start = RSTART; len = RLENGTH
+        token = substr(line, start, len)
+        match(token, /\[[^\]]*\]/); alt = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /"[^"]*"/); title = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /\([^\)]+/); inner = substr(token, RSTART + 1, RLENGTH - 1)
+        sub(/[[:space:]]*"[^"]*"/, "", inner); src = inner
+        repl = "<img data-force-inline=\"1\" alt=\"" alt "\" src=\"" src "\" title=\"" title "\" />"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    while (match(line, /!!\[[^\]]*\]\([^\)]+\)/)) {
+        start = RSTART; len = RLENGTH
+        token = substr(line, start, len)
+        match(token, /\[[^\]]*\]/); alt = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /\([^\)]+/); src = substr(token, RSTART + 1, RLENGTH - 1)
+        repl = "<img data-force-inline=\"1\" alt=\"" alt "\" src=\"" src "\" />"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+
+    # inline image
+    while (match(line, /!\[[^\]]*\]\([^\)]+ "[^"]*"\)/)) {
+        start = RSTART; len = RLENGTH
+        if (start > 1 && substr(line, start - 1, 1) == "\\") break
+        token = substr(line, start, len)
+        match(token, /\[[^\]]*\]/); alt = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /"[^"]*"/); title = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /\([^\)]+/); inner = substr(token, RSTART + 1, RLENGTH - 1)
+        sub(/[[:space:]]*"[^"]*"/, "", inner); src = inner
+        repl = "<img alt=\"" alt "\" src=\"" src "\" title=\"" title "\" />"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    while (match(line, /!\[[^\]]*\]\([^\)]+\)/)) {
+        start = RSTART; len = RLENGTH
+        if (start > 1 && substr(line, start - 1, 1) == "\\") break
+        token = substr(line, start, len)
+        match(token, /\[[^\]]*\]/); alt = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /\([^\)]+/); src = substr(token, RSTART + 1, RLENGTH - 1)
+        repl = "<img alt=\"" alt "\" src=\"" src "\" />"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+
+    # inline link
+    while (match(line, /\[[^\]]*\]\([^\)]+ "[^"]*"\)/)) {
+        start = RSTART; len = RLENGTH
+        if (start > 1 && (substr(line, start - 1, 1) == "\\" || substr(line, start - 1, 1) == "!")) break
+        token = substr(line, start, len)
+        match(token, /\[[^\]]*\]/); text = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /"[^"]*"/); title = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /\([^\)]+/); inner = substr(token, RSTART + 1, RLENGTH - 1)
+        sub(/[[:space:]]*"[^"]*"/, "", inner); href = inner
+        repl = "<a href=\"" href "\" title=\"" title "\">" text "</a>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    while (match(line, /\[[^\]]*\]\([^\)]+\)/)) {
+        start = RSTART; len = RLENGTH
+        if (start > 1 && (substr(line, start - 1, 1) == "\\" || substr(line, start - 1, 1) == "!")) break
+        token = substr(line, start, len)
+        match(token, /\[[^\]]*\]/); text = substr(token, RSTART + 1, RLENGTH - 2)
+        match(token, /\([^\)]+/); href = substr(token, RSTART + 1, RLENGTH - 1)
+        repl = "<a href=\"" href "\">" text "</a>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+
+    # MFM font syntax
+    while (match(line, /\$\[font\.serif [^\]]+\]/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 13, len - 14)
+        line = substr(line, 1, start - 1) "<span style=\"font-family: serif;\">" content "</span>" substr(line, start + len)
+    }
+    while (match(line, /\$\[font\.monospace [^\]]+\]/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 17, len - 18)
+        line = substr(line, 1, start - 1) "<span style=\"font-family: monospace;\">" content "</span>" substr(line, start + len)
+    }
+    while (match(line, /\$\[font\.sans [^\]]+\]/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 12, len - 13)
+        line = substr(line, 1, start - 1) "<span style=\"font-family: sans-serif;\">" content "</span>" substr(line, start + len)
+    }
+
+    line = mask_html_tags(line)
+
+    # Bold, Italic, Strikethrough (BRE-like logic in AWK)
+    # Strong Bold **
+    while (match(line, /\*\*[^*]+\*\*/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 2, len - 4)
+        repl = "<strong>" content "</strong>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    # Strong Bold __
+    while (match(line, /__[^_]+__/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 2, len - 4)
+        repl = "<strong>" content "</strong>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    # Italic *
+    while (match(line, /\*[^*]+\*/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 1, len - 2)
+        repl = "<em>" content "</em>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    # Italic _
+    while (match(line, /_[^_]+_/)) {
+        start = RSTART; len = RLENGTH
+        if (start > 1 && substr(line, start - 1, 1) == "\\") break
+        content = substr(line, start + 1, len - 2)
+        repl = "<em>" content "</em>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+    # Strikethrough ~~
+    while (match(line, /~~[^~]+~~/)) {
+        start = RSTART; len = RLENGTH
+        content = substr(line, start + 2, len - 4)
+        repl = "<strike>" content "</strike>"
+        line = substr(line, 1, start - 1) repl substr(line, start + len)
+    }
+
+    line = restore_html_tags(line)
+
+    # special characters
+    if (line !~ /&[A-Za-z0-9#]+;/) {
+        gsub(/&/, "&amp;", line)
+    }
+
+    p = 1
+    while (match(substr(line, p), /</)) {
+        start = p + RSTART - 1
+        next_char = substr(line, start + 1, 1)
+        if (next_char !~ /^[\/A-Za-z]/) {
+            line = substr(line, 1, start - 1) "&lt;" substr(line, start + 1)
+            p = start + 4
+        } else {
+            p = start + 1
+        }
+    }
+
+    print line
+}

awk/mask_inline_code.awk

@@ -0,0 +1,85 @@
+function mask(s,    t) {
+    t = s
+    gsub(/\*/, "\034P0\034", t)
+    gsub(/_/, "\034P1\034", t)
+    gsub(/`/, "\034P2\034", t)
+    gsub(/\[/, "\034P3\034", t)
+    gsub(/\]/, "\034P4\034", t)
+    gsub(/\(/, "\034P5\034", t)
+    gsub(/\)/, "\034P6\034", t)
+    gsub(/!/, "\034P7\034", t)
+    gsub(/\$/, "\034P8\034", t)
+    gsub(/#/, "\034P9\034", t)
+    gsub(/\+/, "\034P10\034", t)
+    gsub(/-/, "\034P11\034", t)
+    gsub(/\\/, "\034P12\034", t)
+    gsub(/</, "\034P13\034", t)
+    gsub(/>/, "\034P14\034", t)
+    return t
+}
+{
+    # backslash escapes
+    gsub(/\\\*/, "\034P0\034")
+    gsub(/\\_/, "\034P1\034")
+    gsub(/\\`/, "\034P2\034")
+    gsub(/\\\[/, "\034P3\034")
+    gsub(/\\\]/, "\034P4\034")
+    gsub(/\\\(/, "\034P5\034")
+    gsub(/\\\)/, "\034P6\034")
+    gsub(/\\!/, "\034P7\034")
+    gsub(/\\\$/, "\034P8\034")
+    gsub(/\\#/, "\034P9\034")
+    gsub(/\\\+/, "\034P10\034")
+    gsub(/\\\-/, "\034P11\034")
+    gsub(/\\\\/, "\034P12\034")
+    gsub(/\\</, "\034P13\034")
+    gsub(/\\>/, "\034P14\034")
+
+    # inline code (1 or 2 backticks)
+    line = $0
+    if (line ~ /^```/) {
+        print line
+        next
+    }
+    out = ""
+    p = 1
+    while (match(substr(line, p), /`+/)) {
+        pstart = p + RSTART - 1
+        plen = RLENGTH
+        if (plen >= 3) {
+            out = out substr(line, p, pstart - p + plen)
+            p = pstart + plen
+            continue
+        }
+
+        # Found 1 or 2 backticks at pstart
+        # Search for closing marker
+        marker = substr(line, pstart, plen)
+        tail = substr(line, pstart + plen)
+        mpos = index(tail, marker)
+        if (mpos > 0) {
+            # Check if it is followed by more backticks
+            if (substr(tail, mpos + plen, 1) == "`") {
+                # Not a match, treat as literal
+                out = out substr(line, p, pstart - p + plen)
+                p = pstart + plen
+                continue
+            }
+            
+            # Found match!
+            content = substr(tail, 1, mpos - 1)
+            out = out substr(line, p, pstart - p)
+            if (plen == 2 && substr(content, 1, 1) == " " && substr(content, length(content), 1) == " ") {
+                content = substr(content, 2, length(content) - 2)
+            }
+            out = out "<code>" mask(content) "</code>"
+            p = pstart + plen + mpos + plen - 1
+        } else {
+            # No closing marker, treat as literal
+            out = out substr(line, p, pstart - p + plen)
+            p = pstart + plen
+        }
+    }
+    out = out substr(line, p)
+    print out
+}

awk/mask_plain.awk

@@ -0,0 +1,52 @@
+function find_unescaped_tag(s, tag,    p, off, pos) {
+    p = 1
+    while (1) {
+        off = index(substr(s, p), tag)
+        if (off == 0) return 0
+        pos = p + off - 1
+        if (pos == 1 || substr(s, pos - 1, 1) != "\\") return pos
+        p = pos + 1
+    }
+}
+
+function mask_plain(s,    t) {
+    t = s
+    gsub(/\*/, "\034P0\034", t)
+    gsub(/_/, "\034P1\034", t)
+    gsub(/`/, "\034P2\034", t)
+    gsub(/\[/, "\034P3\034", t)
+    gsub(/\]/, "\034P4\034", t)
+    gsub(/\(/, "\034P5\034", t)
+    gsub(/\)/, "\034P6\034", t)
+    gsub(/!/, "\034P7\034", t)
+    gsub(/\$/, "\034P8\034", t)
+    return t
+}
+BEGIN { in_plain = 0 }
+{
+    line = $0
+    out = ""
+    while (1) {
+        if (!in_plain) {
+            pos = find_unescaped_tag(line, "<plain>")
+            if (pos == 0) {
+                out = out line
+                break
+            }
+            out = out substr(line, 1, pos - 1) "<mfmplain>"
+            line = substr(line, pos + 7)
+            in_plain = 1
+        } else {
+            pos = find_unescaped_tag(line, "</plain>")
+            if (pos == 0) {
+                out = out mask_plain(line)
+                line = ""
+                break
+            }
+            out = out mask_plain(substr(line, 1, pos - 1)) "</mfmplain>"
+            line = substr(line, pos + 8)
+            in_plain = 0
+        }
+    }
+    print out
+}

awk/paragraphs.awk

@@ -0,0 +1,43 @@
+BEGIN {
+    in_p = 0
+    in_pre = 0
+}
+
+{
+    if ($0 ~ /^<pre>/) in_pre = 1
+    
+    if (in_pre) {
+        if (in_p) { print "</p>"; in_p = 0 }
+        print
+        if ($0 ~ /<\/pre>/) in_pre = 0
+        next
+    }
+
+    if ($0 ~ /^<\/?(div|table|p|[ou]l|h[1-6]|[bh]r|blockquote|li|hr)/) {
+        if (in_p) {
+            print "</p>"
+            in_p = 0
+        }
+        print
+        next
+    }
+
+    if ($0 == "") {
+        if (in_p) {
+            print "</p>"
+            in_p = 0
+        }
+        print
+        next
+    }
+
+    if (!in_p) {
+        print "<p>"
+        in_p = 1
+    }
+    print
+}
+
+END {
+    if (in_p) print "</p>"
+}

awk/pipe_tables.awk

@@ -0,0 +1,143 @@
+function trim(s) {
+    sub(/^[[:space:]]+/, "", s)
+    sub(/[[:space:]]+$/, "", s)
+    return s
+}
+
+function is_table_row(line, t) {
+    t = line
+    return (t ~ /^[[:space:]]*\|/ && t ~ /\|[[:space:]]*$/)
+}
+
+function is_table_sep(line, t) {
+    if (!is_table_row(line)) return 0
+    t = line
+    gsub(/[|:\-[:space:]]/, "", t)
+    return (t == "" && line ~ /-/)
+}
+
+function split_row(line, out, n, i, raw) {
+    raw = line
+    sub(/^[[:space:]]*\|/, "", raw)
+    sub(/\|[[:space:]]*$/, "", raw)
+    n = split(raw, out, /\|/)
+    for (i = 1; i <= n; i++) out[i] = trim(out[i])
+    return n
+}
+
+function align_for(sep, t) {
+    t = trim(sep)
+    if (t ~ /^:-+:$/) return "center"
+    if (t ~ /^:-+$/) return "left"
+    if (t ~ /^-+:$/) return "right"
+    return ""
+}
+
+function render_cell(cell, inner) {
+    inner = trim(cell)
+    if (inner ~ /^```.*```$/) {
+        sub(/^```[[:space:]]*/, "", inner)
+        sub(/[[:space:]]*```$/, "", inner)
+        return "<pre><code>" inner "</code></pre>"
+    }
+    return inner
+}
+
+BEGIN { count = 0 }
+{ lines[++count] = $0 }
+
+END {
+    in_pre = 0
+    i = 1
+    while (i <= count) {
+        if (lines[i] ~ /^<pre><code>/) {
+            in_pre = 1
+            print lines[i]
+            i++
+            continue
+        }
+        if (in_pre) {
+            print lines[i]
+            if (lines[i] ~ /^<\/code><\/pre>/) in_pre = 0
+            i++
+            continue
+        }
+
+        if (i < count && is_table_row(lines[i]) && is_table_sep(lines[i + 1])) {
+            n_header = split_row(lines[i], header)
+            n_sep = split_row(lines[i + 1], sep)
+            n_cols = (n_header > n_sep ? n_header : n_sep)
+
+            print "<table>"
+            print "<thead>"
+            print "<tr>"
+            for (c = 1; c <= n_cols; c++) {
+                cell = (c <= n_header ? render_cell(header[c]) : "")
+                a = (c <= n_sep ? align_for(sep[c]) : "")
+                if (a != "") print "<th style=\"text-align: " a ";\">" cell "</th>"
+                else print "<th>" cell "</th>"
+            }
+            print "</tr>"
+            print "</thead>"
+
+            j = i + 2
+            print "<tbody>"
+            while (j <= count && is_table_row(lines[j])) {
+                n_body = split_row(lines[j], body)
+                print "<tr>"
+                for (c = 1; c <= n_cols; c++) {
+                    cell = (c <= n_body ? render_cell(body[c]) : "")
+                    a = (c <= n_sep ? align_for(sep[c]) : "")
+                    if (a != "") print "<td style=\"text-align: " a ";\">" cell "</td>"
+                    else print "<td>" cell "</td>"
+                }
+                print "</tr>"
+                j++
+            }
+            print "</tbody>"
+            print "</table>"
+
+            i = j
+            continue
+        }
+
+        if (is_table_sep(lines[i]) && i < count && is_table_row(lines[i + 1])) {
+            n_sep = split_row(lines[i], sep)
+            n_cols = n_sep
+
+            print "<table>"
+            print "<thead>"
+            print "<tr>"
+            for (c = 1; c <= n_cols; c++) {
+                a = align_for(sep[c])
+                if (a != "") print "<th style=\"text-align: " a ";\"></th>"
+                else print "<th></th>"
+            }
+            print "</tr>"
+            print "</thead>"
+
+            j = i + 1
+            print "<tbody>"
+            while (j <= count && is_table_row(lines[j])) {
+                n_body = split_row(lines[j], body)
+                print "<tr>"
+                for (c = 1; c <= n_cols; c++) {
+                    cell = (c <= n_body ? render_cell(body[c]) : "")
+                    a = (c <= n_sep ? align_for(sep[c]) : "")
+                    if (a != "") print "<td style=\"text-align: " a ";\">" cell "</td>"
+                    else print "<td>" cell "</td>"
+                }
+                print "</tr>"
+                j++
+            }
+            print "</tbody>"
+            print "</table>"
+
+            i = j
+            continue
+        }
+
+        print lines[i]
+        i++
+    }
+}

awk/update_site_conf.awk

@@ -0,0 +1,10 @@
+BEGIN { done = 0 }
+/^title[[:space:]]*=/ {
+    print "title = \"" new_title "\""
+    done = 1
+    next
+}
+{ print }
+END {
+    if (!done) print "title = \"" new_title "\""
+}

kewt.sh

@@ -20,7 +20,7 @@ Options:
 EOF
 }
 
-script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+script_dir=$(CDPATH="" cd -- "$(dirname -- "$0")" && pwd)
 awk_dir="$script_dir/awk"
 
 ensure_root_defaults() {
@@ -31,6 +31,11 @@ style = "kewt"
 dir_indexes = true
 single_file_index = true
 flatten = false
+order = ""
+home_name = "Home"
+show_home_in_nav = true
+nav_links = ""
+nav_extra = ""
 footer = "made with <a href="https://kewt.krzak.org">kewt</a>"
 logo = ""
 display_logo = false
@@ -81,28 +86,14 @@ create_new_site() {
     printf "# _kewt_ website\n" > "$new_dir/index.md"
 
     if [ -n "$new_title" ]; then
-        awk -v new_title="$new_title" '
+        awk -v new_title="$new_title" -f "$awk_dir/update_site_conf.awk" "$new_dir/site.conf" > "$new_dir/site.conf.tmp" && mv "$new_dir/site.conf.tmp" "$new_dir/site.conf"
-            BEGIN { done = 0 }
-            /^title[[:space:]]*=/ {
-                print "title = \"" new_title "\""
-                done = 1
-                next
-            }
-            { print }
-            END {
-                if (!done) print "title = \"" new_title "\""
-            }
-        ' "$new_dir/site.conf" > "$new_dir/site.conf.tmp" && mv "$new_dir/site.conf.tmp" "$new_dir/site.conf"
     fi
 
     echo "Created new site at '$new_dir'."
     exit 0
 }
 
-generate_nav() {
+
-    dinfo=$(find "$1" -not -path '*/.*' | sort -r | awk -v src="$1" -f "$awk_dir/collect_dir_info.awk")
-    find "$1" -name "*.md" | sort | awk -v src="$1" -v single_file_index="$single_file_index" -v flatten="$flatten" -v dinfo="$dinfo" -f "$awk_dir/generate_sidebar.awk"
-}
 
 src=""
 out=""
@@ -139,9 +130,9 @@ while [ $# -gt 0 ]; do
         *)
             positional_count=$((positional_count + 1))
             if [ "$positional_count" -eq 1 ]; then
-                [ -z "$src" ] && src="$1" || die "Source already set (use either positional or --from)."
+                if [ -z "$src" ]; then src="$1"; else die "Source already set (use either positional or --from)."; fi
             elif [ "$positional_count" -eq 2 ]; then
-                [ -z "$out" ] && out="$1" || die "Output already set (use either positional or --to)."
+                if [ -z "$out" ]; then out="$1"; else die "Output already set (use either positional or --to)."; fi
             else
                 die "Too many positional arguments."
             fi
@@ -157,14 +148,118 @@ ensure_root_defaults
 [ -z "$src" ] && src="site"
 [ -z "$out" ] && out="out"
 
+src="${src%/}"
+out="${out%/}"
+
 [ -d "$src" ] || die "Source directory '$src' does not exist."
 
+IGNORE_ARGS="-name '.kewtignore' -o -path '$src/.*'"
+
+if [ -f "$src/.kewtignore" ]; then
+    while IFS= read -r line || [ -n "$line" ]; do
+        case "$line" in
+            ''|'#'*) continue ;;
+        esac
+        pattern=$(echo "$line" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//')
+        [ -z "$pattern" ] && continue
+
+        pattern_clean="${pattern#/}"
+        pattern_clean="${pattern_clean%/}"
+
+        if echo "$pattern" | grep -q "/"; then
+             IGNORE_ARGS="$IGNORE_ARGS -o -path '$src/$pattern_clean' -o -path '$src/$pattern_clean/*'"
+        else
+             IGNORE_ARGS="$IGNORE_ARGS -o -name '$pattern_clean'"
+        fi
+    done < "$src/.kewtignore"
+fi
+
+find "$src" -name .kewtignore > "/tmp/kewt_ignore_$$"
+while read -r ki; do
+    d="${ki%/.kewtignore}"
+    if [ "$d" != "$src" ] && [ "$d" != "." ]; then
+        IGNORE_ARGS="$IGNORE_ARGS -o -path '$d' -o -path '$d/*'"
+    fi
+done < "/tmp/kewt_ignore_$$"
+rm -f "/tmp/kewt_ignore_$$"
+
+HIDE_ARGS="-name '.kewtignore' -o -name '.kewthide' -o -name '.kewtpreserve' -o -path '$src/.*'"
+
+if [ -f "$src/.kewthide" ]; then
+    while IFS= read -r line || [ -n "$line" ]; do
+        case "$line" in
+            ''|'#'*) continue ;;
+        esac
+        pattern=$(echo "$line" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//')
+        [ -z "$pattern" ] && continue
+
+        pattern_clean="${pattern#/}"
+        pattern_clean="${pattern_clean%/}"
+
+        if echo "$pattern" | grep -q "/"; then
+             HIDE_ARGS="$HIDE_ARGS -o -path '$src/$pattern_clean' -o -path '$src/$pattern_clean/*'"
+        else
+             HIDE_ARGS="$HIDE_ARGS -o -name '$pattern_clean'"
+        fi
+    done < "$src/.kewthide"
+fi
+
+find "$src" -name .kewthide > "/tmp/kewt_hide_$$"
+while read -r kh; do
+    d="${kh%/.kewthide}"
+    if [ "$d" != "$src" ] && [ "$d" != "." ]; then
+        HIDE_ARGS="$HIDE_ARGS -o -path '$d' -o -path '$d/*'"
+    fi
+done < "/tmp/kewt_hide_$$"
+rm -f "/tmp/kewt_hide_$$"
+
+PRESERVE_ARGS="-false"
+
+if [ -f "$src/.kewtpreserve" ]; then
+    while IFS= read -r line || [ -n "$line" ]; do
+        case "$line" in
+            ''|'#'*) continue ;;
+        esac
+        pattern=$(echo "$line" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//')
+        [ -z "$pattern" ] && continue
+
+        pattern_clean="${pattern#/}"
+        pattern_clean="${pattern_clean%/}"
+
+        if echo "$pattern" | grep -q "/"; then
+             PRESERVE_ARGS="$PRESERVE_ARGS -o -path '$src/$pattern_clean' -o -path '$src/$pattern_clean/*'"
+        else
+             PRESERVE_ARGS="$PRESERVE_ARGS -o -name '$pattern_clean'"
+        fi
+    done < "$src/.kewtpreserve"
+fi
+
+find "$src" -name .kewtpreserve > "/tmp/kewt_preserve_$$"
+while read -r kp; do
+    d="${kp%/.kewtpreserve}"
+    if [ "$d" != "$src" ] && [ "$d" != "." ]; then
+        PRESERVE_ARGS="$PRESERVE_ARGS -o -path '$d' -o -path '$d/*'"
+    fi
+done < "/tmp/kewt_preserve_$$"
+rm -f "/tmp/kewt_preserve_$$"
+
+generate_nav() {
+    dinfo=$(eval "find \"$1\" \( $IGNORE_ARGS -o $HIDE_ARGS -o $PRESERVE_ARGS \) -prune -o -print" | sort | awk -v src="$1" -f "$awk_dir/collect_dir_info.awk")
+    eval "find \"$1\" \( $IGNORE_ARGS -o $HIDE_ARGS -o $PRESERVE_ARGS \) -prune -o -name \"*.md\" -print" | sort | awk -v src="$1" -v single_file_index="$single_file_index" -v flatten="$flatten" -v order="$order" -v home_name="$home_name" -v show_home_in_nav="$show_home_in_nav" -v dinfo="$dinfo" -f "$awk_dir/generate_sidebar.awk"
+}
+
 title="kewt"
 style="kewt"
 footer="made with <a href=\"https://kewt.krzak.org\">kewt</a>"
 dir_indexes="true"
 single_file_index="true"
 flatten="false"
+order=""
+home_name="Home"
+show_home_in_nav="true"
+nav_links=""
+nav_extra=""
+footer="made with <a href=\"https://kewt.krzak.org\">kewt</a>"
 logo=""
 display_logo="false"
 display_title="true"
@@ -196,6 +291,11 @@ load_config() {
             dir_indexes) dir_indexes="$val" ;;
             single_file_index) single_file_index="$val" ;;
             flatten) flatten="$val" ;;
+            order) order="$val" ;;
+            home_name) home_name="$val" ;;
+            show_home_in_nav) show_home_in_nav="$val" ;;
+            nav_links) nav_links="$val" ;;
+            nav_extra) nav_extra="$val" ;;
             footer) footer="$val" ;;
             logo) logo="$val" ;;
             display_logo) display_logo="$val" ;;
@@ -209,6 +309,65 @@ load_config() {
 load_config "./site.conf"
 load_config "$src/site.conf"
 
+escape_html_text() {
+    printf '%s' "$1" | sed \
+        -e 's/&/\&amp;/g' \
+        -e 's/</\&lt;/g' \
+        -e 's/>/\&gt;/g'
+}
+
+escape_html_attr() {
+    printf '%s' "$1" | sed \
+        -e 's/&/\&amp;/g' \
+        -e 's/"/\&quot;/g' \
+        -e 's/</\&lt;/g' \
+        -e 's/>/\&gt;/g'
+}
+
+nav_links_html() {
+    [ -n "$nav_links" ] || return
+
+    old_ifs=$IFS
+    set -f
+    IFS=','
+    # shellcheck disable=SC2086
+    set -- $nav_links
+    IFS=$old_ifs
+    set +f
+
+    [ $# -gt 0 ] || return
+
+    printf '<ul class="nav-extra-links">\n'
+    for raw_link in "$@"; do
+        link=$(printf '%s' "$raw_link" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//')
+        [ -n "$link" ] || continue
+
+        case "$link" in
+            \[*\]\(*\))
+                label=${link#\[}
+                label=${label%%\]*}
+                link_url=${link#*](}
+                link_url=${link_url%)}
+                ;;
+            *)
+                link_url=$link
+                label=$(printf '%s' "$link" | sed \
+                    -e 's|^[A-Za-z][A-Za-z0-9+.-]*://||' \
+                    -e 's|/$||')
+                [ -n "$label" ] || label="$link"
+                ;;
+        esac
+
+        [ -n "$link_url" ] || continue
+        [ -n "$label" ] || label="$link_url"
+
+        link_attr=$(escape_html_attr "$link_url")
+        label_text=$(escape_html_text "$label")
+        printf '<li><a href="%s">%s</a></li>\n' "$link_attr" "$label_text"
+    done
+    printf '</ul>'
+}
+
 template="$src/template.html"
 [ -f "$template" ] || template="./template.html"
 [ -f "$template" ] || die "Template '$template' not found."
@@ -217,6 +376,15 @@ template="$src/template.html"
 mkdir -p "$out"
 
 nav=$(generate_nav "$src")
+extra_links=$(nav_links_html)
+if [ -n "$extra_links" ]; then
+    nav="$nav
+$extra_links"
+fi
+if [ -n "$nav_extra" ]; then
+    nav="$nav
+$nav_extra"
+fi
 
 find_closest() {
     target="$1"
@@ -248,7 +416,7 @@ render_markdown() {
     closest_style_src=$(find_closest "styles.css" "$(dirname "$file")")
     [ -z "$closest_style_src" ] && closest_style_src=$(find_closest "style.css" "$(dirname "$file")")
     if [ -n "$closest_style_src" ]; then
-        style_rel_to_src="${closest_style_src#$src/}"
+        style_rel_to_src="${closest_style_src#"$src"/}"
         case "$closest_style_src" in
             "$src/styles.css") style_rel_to_src="styles.css" ;;
             "$src/style.css") style_rel_to_src="style.css" ;;
@@ -290,14 +458,15 @@ render_markdown() {
         head_extra="<link rel=\"icon\" href=\"$favicon_src\" />"
     fi
 
-    MARKDOWN_SITE_ROOT="$src" MARKDOWN_FALLBACK_FILE="styles/$style.css" sh "$script_dir/markdown.sh" "$file" | awk -v title="$title" -v nav="$nav" -v footer="$footer" -v style_path="$style_path" -v header_brand="$header_brand" -v head_extra="$head_extra" -f "$awk_dir/render_template.awk" "$local_template"
+    MARKDOWN_SITE_ROOT="$src" MARKDOWN_FALLBACK_FILE="$script_dir/styles/$style.css" sh "$script_dir/markdown.sh" "$file" | awk -v title="$title" -v nav="$nav" -v footer="$footer" -v style_path="$style_path" -v header_brand="$header_brand" -v head_extra="$head_extra" -f "$awk_dir/render_template.awk" "$local_template"
 }
 
 echo "Building site from '$src' to '$out'..."
 
-find "$src" -type d | sort | while read -r dir; do
+eval "find \"$src\" \( $IGNORE_ARGS \) -prune -o -type d -print" | sort | while read -r dir; do
-    rel_dir="${dir#$src/}"
+    rel_dir="${dir#"$src"}"
-    [ "$dir" = "$src" ] && rel_dir="."
+    rel_dir="${rel_dir#/}"
+    [ -z "$rel_dir" ] && rel_dir="."
     out_dir="$out/$rel_dir"
     mkdir -p "$out_dir"
 
@@ -311,9 +480,9 @@ find "$src" -type d | sort | while read -r dir; do
 
     if [ ! -f "$dir/index.md" ]; then
         if [ "$single_file_index" = "true" ]; then
-            md_count=$(find "$dir" -maxdepth 1 -name "*.md" | wc -l)
+            md_count=$(find "$dir" ! -name "$(basename "$dir")" -prune -name "*.md" | wc -l)
             if [ "$md_count" -eq 1 ]; then
-                md_file=$(find "$dir" -maxdepth 1 -name "*.md")
+                md_file=$(find "$dir" ! -name "$(basename "$dir")" -prune -name "*.md")
                 render_markdown "$md_file" > "$out_dir/index.html"
                 continue
             fi
@@ -324,7 +493,7 @@ find "$src" -type d | sort | while read -r dir; do
         [ -z "$display_dir" ] && display_dir="/"
         echo "# Index of $display_dir" > "$temp_index"
         echo "" >> "$temp_index"
-        find "$dir" -maxdepth 1 -not -path '*/.*' -not -path "$dir" | sort | while read -r entry; do
+        find "$dir" ! -name "$(basename "$dir")" -prune ! -name ".*" -print | sort | while read -r entry; do
             name="${entry##*/}"
             case "$name" in
                 template.html|site.conf|style.css|index.md) continue ;;
@@ -342,12 +511,13 @@ find "$src" -type d | sort | while read -r dir; do
     fi
 done
 
-if [ ! -f "$out/styles.css" ] && [ -f "styles/$style.css" ]; then
+if [ ! -f "$out/styles.css" ] && [ -f "$script_dir/styles/$style.css" ]; then
-    copy_style_with_resolved_vars "styles/$style.css" "$out/styles.css"
+    copy_style_with_resolved_vars "$script_dir/styles/$style.css" "$out/styles.css"
 fi
 
-find "$src" -type f | sort | while IFS= read -r file; do
+eval "find \"$src\" \( $IGNORE_ARGS \) -prune -o -type f -print" | sort | while IFS= read -r file; do
-    rel_path="${file#$src/}"
+    rel_path="${file#"$src"}"
+    rel_path="${rel_path#/}"
     dir_rel=$(dirname "$rel_path")
     out_dir="$out/$dir_rel"
 
@@ -355,12 +525,17 @@ find "$src" -type f | sort | while IFS= read -r file; do
         template.html|site.conf|style.css|styles.css) continue ;;
     esac
 
-    if [ "$single_file_index" = "true" ] && [ "${file%.md}" != "$file" ] && [ ! -f "$(dirname "$file")/index.md" ]; then
+    is_preserved=0
-        md_count=$(find "$(dirname "$file")" -maxdepth 1 -name "*.md" | wc -l)
+    if [ -n "$(eval "find \"$file\" \( $PRESERVE_ARGS \) -print")" ]; then
+        is_preserved=1
+    fi
+
+    if [ "$single_file_index" = "true" ] && [ "${file%.md}" != "$file" ] && [ "$is_preserved" -eq 0 ] && [ ! -f "$(dirname "$file")/index.md" ]; then
+        md_count=$(find "$(dirname "$file")" ! -name "$(basename "$(dirname "$file")")" -prune -name "*.md" | wc -l)
         [ "$md_count" -eq 1 ] && continue
     fi
 
-    if [ "${file%.md}" != "$file" ]; then
+    if [ "${file%.md}" != "$file" ] && [ "$is_preserved" -eq 0 ]; then
         out_file="$out/${rel_path%.md}.html"
         render_markdown "$file" > "$out_file"
     else
@@ -368,4 +543,5 @@ find "$src" -type f | sort | while IFS= read -r file; do
     fi
 done
 
+
 echo "Build complete."

markdown.sh

@@ -1,754 +1,64 @@
 #!/bin/sh
 
-script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+script_dir=$(CDPATH="" cd -- "$(dirname -- "$0")" && pwd)
 awk_dir="$script_dir/awk"
 
-sed_ere() {
-    if sed -E '' </dev/null >/dev/null 2>&1; then
-        sed -E "$@"
-    else
-        sed -r "$@"
-    fi
-}
-
-sed_ere_inplace() {
-    script="$1"
-    file="$2"
-    tmp="${file}.tmp.$$"
-    sed_ere "$script" "$file" > "$tmp" && mv "$tmp" "$file" || {
-        rm -f "$tmp"
-        return 1
-    }
-}
-
-sed_ere_inplace_n() {
-    script="$1"
-    file="$2"
-    tmp="${file}.tmp.$$"
-    sed_ere -n "$script" "$file" > "$tmp" && mv "$tmp" "$file" || {
-        rm -f "$tmp"
-        return 1
-    }
-}
-
 sed_inplace() {
     script="$1"
     file="$2"
     tmp="${file}.tmp.$$"
-    sed "$script" "$file" > "$tmp" && mv "$tmp" "$file" || {
+    if sed "$script" "$file" > "$tmp" && mv "$tmp" "$file"; then
+        return 0
+    else
         rm -f "$tmp"
         return 1
-    }
+    fi
 }
 
-temp_file="/tmp/markdown.$$"
+temp_file="/tmp/markdown.$$.md"
 cat "$@" > "$temp_file"
 
-# backslash escapes for literal characters and inline code masking
+trap 'rm -f "$temp_file" "$temp_file.tmp"' EXIT INT TERM
-awk '
-function mask(s,    t) {
-    t = s
-    gsub(/\*/, "\034P0\034", t)
-    gsub(/_/, "\034P1\034", t)
-    gsub(/`/, "\034P2\034", t)
-    gsub(/\[/, "\034P3\034", t)
-    gsub(/\]/, "\034P4\034", t)
-    gsub(/\(/, "\034P5\034", t)
-    gsub(/\)/, "\034P6\034", t)
-    gsub(/!/, "\034P7\034", t)
-    gsub(/\$/, "\034P8\034", t)
-    gsub(/#/, "\034P9\034", t)
-    gsub(/\+/, "\034P10\034", t)
-    gsub(/-/, "\034P11\034", t)
-    gsub(/\\/, "\034P12\034", t)
-    gsub(/</, "\034P13\034", t)
-    gsub(/>/, "\034P14\034", t)
-    return t
-}
-{
-    # backslash escapes
-    gsub(/\\\*/, "\034P0\034")
-    gsub(/\\_/, "\034P1\034")
-    gsub(/\\`/, "\034P2\034")
-    gsub(/\\\[/, "\034P3\034")
-    gsub(/\\\]/, "\034P4\034")
-    gsub(/\\\(/, "\034P5\034")
-    gsub(/\\\)/, "\034P6\034")
-    gsub(/\\!/, "\034P7\034")
-    gsub(/\\\$/, "\034P8\034")
-    gsub(/\\#/, "\034P9\034")
-    gsub(/\\\+/, "\034P10\034")
-    gsub(/\\\-/, "\034P11\034")
-    gsub(/\\\\/, "\034P12\034")
-    gsub(/\\</, "\034P13\034")
-    gsub(/\\>/, "\034P14\034")
 
-    # inline code (1 or 2 backticks)
+# Mask
-    line = $0
+awk -f "$awk_dir/mask_inline_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-    if (line ~ /^```/) {
+awk -f "$awk_dir/mask_plain.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-        print line
-        next
-    }
-    out = ""
-    p = 1
-    while (match(substr(line, p), /`+/)) {
-        pstart = p + RSTART - 1
-        plen = RLENGTH
-        if (plen >= 3) {
-            out = out substr(line, p, pstart - p + plen)
-            p = pstart + plen
-            continue
-        }
-
-        # Found 1 or 2 backticks at pstart
-        # Search for closing marker
-        marker = substr(line, pstart, plen)
-        tail = substr(line, pstart + plen)
-        mpos = index(tail, marker)
-        if (mpos > 0) {
-            # Check if it is followed by more backticks
-            if (substr(tail, mpos + plen, 1) == "`") {
-                # Not a match, treat as literal
-                out = out substr(line, p, pstart - p + plen)
-                p = pstart + plen
-                continue
-            }
-            
-            # Found match!
-            content = substr(tail, 1, mpos - 1)
-            out = out substr(line, p, pstart - p)
-            if (plen == 2 && substr(content, 1, 1) == " " && substr(content, length(content), 1) == " ") {
-                content = substr(content, 2, length(content) - 2)
-            }
-            out = out "<code>" mask(content) "</code>"
-            p = pstart + plen + mpos + plen - 1
-        } else {
-            # No closing marker, treat as literal
-            out = out substr(line, p, pstart - p + plen)
-            p = pstart + plen
-        }
-    }
-    out = out substr(line, p)
-    print out
-}' "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-
-awk '
-
-function find_unescaped_tag(s, tag,    p, off, pos) {
-    p = 1
-    while (1) {
-        off = index(substr(s, p), tag)
-        if (off == 0) return 0
-        pos = p + off - 1
-        if (pos == 1 || substr(s, pos - 1, 1) != "\\") return pos
-        p = pos + 1
-    }
-}
-
-function mask_plain(s,    t) {
-    t = s
-    gsub(/\*/, "\034P0\034", t)
-    gsub(/_/, "\034P1\034", t)
-    gsub(/`/, "\034P2\034", t)
-    gsub(/\[/, "\034P3\034", t)
-    gsub(/\]/, "\034P4\034", t)
-    gsub(/\(/, "\034P5\034", t)
-    gsub(/\)/, "\034P6\034", t)
-    gsub(/!/, "\034P7\034", t)
-    gsub(/\$/, "\034P8\034", t)
-    return t
-}
-BEGIN { in_plain = 0 }
-{
-    line = $0
-    out = ""
-    while (1) {
-        if (!in_plain) {
-            pos = find_unescaped_tag(line, "<plain>")
-            if (pos == 0) {
-                out = out line
-                break
-            }
-            out = out substr(line, 1, pos - 1) "<mfmplain>"
-            line = substr(line, pos + 7)
-            in_plain = 1
-        } else {
-            pos = find_unescaped_tag(line, "</plain>")
-            if (pos == 0) {
-                out = out mask_plain(line)
-                line = ""
-                break
-            }
-            out = out mask_plain(substr(line, 1, pos - 1)) "</mfmplain>"
-            line = substr(line, pos + 8)
-            in_plain = 0
-        }
-    }
-    print out
-}
-' "$temp_file" > "$temp_file.plain.$$" && mv "$temp_file.plain.$$" "$temp_file"
 
+# Reference links
+refs=$(cat "$@" | awk '/^\[[^\]]+\]:  */')
 IFS='
 '
-refs=$(sed_ere -n "/^\[.+\]: +/p" "$@")
+for ref in $refs; do
-for ref in $refs
+    ref_id=$(echo "$ref" | sed 's/^\[\(.*\)\]: .*/\1/')
-do
+    ref_url=$(echo "$ref" | sed 's/^\[.*\]: \([^ ]*\).*/\1/')
-    ref_id=$(printf %s "$ref" | sed_ere -n "s/^\[(.+)\]: .*/\1/p" | tr -d '\n')
+    ref_title=$(echo "$ref" | sed -n 's/^\[.*\]: [^ ]* "\(.*\)"/\1/p' | sed 's@|@!@g')
-    ref_url=$(printf %s "$ref" | sed_ere -n "s/^\[.+\]: (.+)/\1/p" | cut -d' ' -f1 | tr -d '\n')
+    sed_inplace "s|!\[\([^]]*\)\]\[$ref_id\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"\1\" />|g" "$temp_file"
-    ref_title=$(printf %s "$ref" | sed_ere -n "s/^\[.+\]: (.+) \"(.+)\"/\2/p" | sed 's@|@!@g' | tr -d '\n')
+    sed_inplace "s|\[\([^]]*\)\]\[$ref_id\]|<a href=\"$ref_url\" title=\"$ref_title\">\1</a>|g" "$temp_file"
+    sed_inplace "s|!\[$ref_id\]\[\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"$ref_id\" />|g" "$temp_file"
+    sed_inplace "s|\[$ref_id\]\[\]|<a href=\"$ref_url\" title=\"$ref_title\">$ref_id</a>|g" "$temp_file"
+done
+sed_inplace "/^\[[^\]]*\]:  */d" "$temp_file"
 
-    # reference-style image using the label
+# Blocks
-    sed_ere_inplace "s|!\[([^]]+)\]\[($ref_id)\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"\1\" />|g" "$temp_file"
+sed_inplace "s/^>!\[/> [!/g" "$temp_file"
-    # reference-style link using the label
+sed_inplace "s/^>\[!/> [!/g" "$temp_file"
-    sed_ere_inplace "s|\[([^]]+)\]\[($ref_id)\]|<a href=\"$ref_url\" title=\"$ref_title\">\1</a>|g" "$temp_file"
 
-    # implicit reference-style
+while grep '^>' "$temp_file" >/dev/null; do
-    sed_ere_inplace "s|!\[($ref_id)\]\[\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"\1\" />|g" "$temp_file"
+    awk -f "$awk_dir/blockquote.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-    # implicit reference-style
-    sed_ere_inplace "s|\[($ref_id)\]\[\]|<a href=\"$ref_url\" title=\"$ref_title\">\1</a>|g" "$temp_file"
 done
 
-# delete the reference lines
+awk -f "$awk_dir/blockquote_to_admonition.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-sed_ere_inplace "/^\[.+\]: +/d" "$temp_file"
+awk -f "$awk_dir/fenced_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-
+awk -f "$awk_dir/indented_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-# normalize GitHub admonition shorthand in blockquotes
+awk -f "$awk_dir/pipe_tables.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-sed_ere_inplace '
+awk -f "$awk_dir/headers.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-/^>!\[/s/^>!\[/> [!/
+awk -f "$awk_dir/lists.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-/^>\[!/s/^>\[!/> [!/
+
-s/^>([^[:space:]>])/> \1/
+# Spacing
-' "$temp_file"
+awk -f "$awk_dir/breaks.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-
+awk -f "$awk_dir/paragraphs.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-# blockquotes
+
-# use grep to find all the nested blockquotes
+# Inline styles
-while grep '^> ' "$temp_file" >/dev/null
+awk -f "$awk_dir/markdown_inline.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-do
-    sed_ere_inplace_n '
-/^$/b blockquote
-
-H
-$ b blockquote
-b
-
-:blockquote
-x
-s/(\n+)(> .*)/\1<blockquote>\n\2\n<\/blockquote>/ # wrap the tags in a blockquote
-p
-' "$temp_file"
-
-    sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-    # cleanup blank lines and remove subsequent blockquote characters
-    sed_ere_inplace '
-/^> /s/^> (.*)/\1/
-' "$temp_file"
-done
-
-# convert [!TYPE] blockquotes into admonition blocks
-awk '
-function cap(s) { return toupper(substr(s, 1, 1)) tolower(substr(s, 2)) }
-BEGIN { count = 0 }
-{ lines[++count] = $0 }
-END {
-    i = 1
-    while (i <= count) {
-        if (lines[i] == "<blockquote>") {
-            j = i + 1
-            while (j <= count && lines[j] != "</blockquote>") j++
-            if (j <= count) {
-                first = ""
-                first_idx = 0
-                for (k = i + 1; k < j; k++) {
-                    if (lines[k] != "") {
-                        first = lines[k]
-                        first_idx = k
-                        break
-                    }
-                }
-                if (first ~ /^\[![A-Za-z]+\]$/) {
-                    kind = first
-                    sub(/^\[!/, "", kind)
-                    sub(/\]$/, "", kind)
-                    lkind = tolower(kind)
-                    if (lkind == "note" || lkind == "tip" || lkind == "important" || lkind == "warning" || lkind == "caution") {
-                        print "<div class=\"admonition admonition-" lkind "\">"
-                        print "<p class=\"admonition-title\">" cap(lkind) "</p>"
-                        has_body = 0
-                        for (k = first_idx + 1; k < j; k++) {
-                            if (lines[k] != "") {
-                                print "<p>" lines[k] "</p>"
-                                has_body = 1
-                            }
-                        }
-                        if (!has_body) print "<p></p>"
-                        print "</div>"
-                        i = j + 1
-                        continue
-                    }
-                }
-            }
-        }
-        print lines[i]
-        i++
-    }
-}
-' "$temp_file" > "$temp_file.admon.$$" && mv "$temp_file.admon.$$" "$temp_file"
-
-# Setext-style headers
-sed_ere_inplace_n '
-# Setext-style headers need to be wrapped around newlines
-/^$/ b print
-
-# else, append to holding area
-H
-$ b print
-b
-
-:print
-x
-/=+$/{
-s/\n(.*)\n=+$/\n<h1>\1<\/h1>/
-p
-b
-}
-/\-+$/{
-s/\n(.*)\n\-+$/\n<h2>\1<\/h2>/
-p
-b
-}
-p
-' "$temp_file"
-
-sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-# atx-style headers and other block styles
-sed_ere_inplace '
-/^#+ /s/ #+$// # kill all ending header characters
-/^# /s/# ([A-Za-z0-9 ]*)(.*)/<h1 id="\1">\1\2<\/h1>/g # H1
-/^#{2} /s/#{2} ([A-Za-z0-9 ]*)(.*)/<h2 id="\1">\1\2<\/h2>/g # H2
-/^#{3} /s/#{3} ([A-Za-z0-9 ]*)(.*)/<h3 id="\1">\1\2<\/h3>/g # H3
-/^#{4} /s/#{4} ([A-Za-z0-9 ]*)(.*)/<h4 id="\1">\1\2<\/h4>/g # H4
-/^#{5} /s/#{5} ([A-Za-z0-9 ]*)(.*)/<h5 id="\1">\1\2<\/h5>/g # H5
-/^#{6} /s/#{6} ([A-Za-z0-9 ]*)(.*)/<h6 id="\1">\1\2<\/h6>/g # H6
-
-/^\*\*\*+$/s/\*\*\*+/<hr \/>/ # hr with *
-/^---+$/s/---+/<hr \/>/ # hr with -
-/^___+$/s/___+/<hr \/>/ # hr with _
-
-' "$temp_file"
-
-# unordered lists
-# use grep to find all the nested lists
-while grep '^[\*\+\-] ' "$temp_file" >/dev/null
-do
-sed_ere_inplace_n '
-# wrap the list
-/^$/b list
-
-# wrap the li tags then add to the hold buffer
-# use uli instead of li to avoid collisions when processing nested lists
-/^[\*\+\-] /s/[\*\+\-] (.*)/<\/uli>\n<uli>\n\1/
-
-H
-$ b list # if at end of file, check for the end of a list
-b # else, branch to the end of the script
-
-# this is where a list is checked for the pattern
-:list
-# exchange the hold space into the pattern space
-x
-# look for the list items, if there wrap the ul tags
-/<uli>/{
-s/(.*)/\n<ul>\1\n<\/uli>\n<\/ul>/ # close the ul tags
-s/\n<\/uli>// # kill the first superfluous closing tag
-p
-b
-}
-p
-' "$temp_file"
-
-sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-# convert to the proper li to avoid collisions with nested lists
-sed_inplace 's/uli>/li>/g' "$temp_file"
-
-# prepare any nested lists
-sed_ere_inplace '/^[\*\+\-] /s/(.*)/\n\1\n/' "$temp_file"
-done
-
-# ordered lists
-# use grep to find all the nested lists
-while grep -E '^[1-9]+\. ' "$temp_file" >/dev/null
-do
-sed_ere_inplace_n '
-# wrap the list
-/^$/b list
-
-# wrap the li tags then add to the hold buffer
-# use oli instead of li to avoid collisions when processing nested lists
-/^[1-9]+\. /s/[1-9]+\. (.*)/<\/oli>\n<oli>\n\1/
-
-H
-$ b list # if at end of file, check for the end of a list
-b # else, branch to the end of the script
-
-:list
-# exchange the hold space into the pattern space
-x
-# look for the list items, if there wrap the ol tags
-/<oli>/{
-s/(.*)/\n<ol>\1\n<\/oli>\n<\/ol>/ # close the ol tags
-s/\n<\/oli>// # kill the first superfluous closing tag
-p
-b
-}
-p
-' "$temp_file"
-
-sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-# convert list items into proper list items to avoid collisions with nested lists
-sed_inplace 's/oli>/li>/g' "$temp_file"
-
-# prepare any nested lists
-sed_ere_inplace '/^[1-9]+\. /s/(.*)/\n\1\n/' "$temp_file"
-done
-
-# make escaped periods literal
-sed_ere_inplace '/^[1-9]+\\. /s/([1-9]+)\\. /\1\. /' "$temp_file"
-
-# fenced code blocks (triple backticks)
-awk '
-BEGIN { in_fence = 0; first_line = 0 }
-{
-    if (!in_fence && $0 ~ /^```/) {
-        printf "<pre><code>"
-        in_fence = 1
-        first_line = 1
-        next
-    }
-    if (in_fence && $0 ~ /^```[[:space:]]*$/) {
-        print "</code></pre>"
-        in_fence = 0
-        next
-    }
-    if (in_fence) {
-        if (first_line) {
-            first_line = 0
-            if ($0 == "") next
-        }
-        print
-    } else {
-        print
-    }
-}
-END {
-    if (in_fence) print "</code></pre>"
-}
-' "$temp_file" > "$temp_file.fence.$$" && mv "$temp_file.fence.$$" "$temp_file"
-
-
-# code blocks
-sed_ere_inplace_n '
-# if at end of file, append the current line to the hold buffer and print it
-${
-H
-b code
-}
-
-# wrap the code block on any non code block lines
-/^\t| {4}/!b code
-
-# else, append to the holding buffer and do nothing
-H
-b # else, branch to the end of the script
-
-:code
-# exchange the hold space with the pattern space
-x
-# look for the code items, if there wrap the pre-code tags
-/\t| {4}/{
-s/(\t| {4})(.*)/<pre><code>\n\1\2\n<\/code><\/pre>/ # wrap the ending tags
-p
-b
-}
-p
-' "$temp_file"
-
-sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-# convert html characters inside pre-code tags into printable representations
-sed_ere_inplace '
-# get inside pre-code tags
-/^<pre><code>/{
-:inside
-n
-# if you found the end tags, branch out
-/^<\/code><\/pre>/!{
-s/&/\&amp;/g # ampersand
-s/</\&lt;/g # less than
-s/>/\&gt;/g # greater than
-b inside
-}
-}
-' "$temp_file"
-
-# remove the first tab (or 4 spaces) from the code lines
-sed_ere_inplace 's/^\t| {4}(.*)/\1/' "$temp_file"
-
-# markdown pipe tables
-awk '
-function trim(s) {
-    sub(/^[[:space:]]+/, "", s)
-    sub(/[[:space:]]+$/, "", s)
-    return s
-}
-
-function is_table_row(line, t) {
-    t = line
-    return (t ~ /^[[:space:]]*\|/ && t ~ /\|[[:space:]]*$/)
-}
-
-function is_table_sep(line, t) {
-    if (!is_table_row(line)) return 0
-    t = line
-    gsub(/[|:\-[:space:]]/, "", t)
-    return (t == "" && line ~ /-/)
-}
-
-function split_row(line, out, n, i, raw) {
-    raw = line
-    sub(/^[[:space:]]*\|/, "", raw)
-    sub(/\|[[:space:]]*$/, "", raw)
-    n = split(raw, out, /\|/)
-    for (i = 1; i <= n; i++) out[i] = trim(out[i])
-    return n
-}
-
-function align_for(sep, t) {
-    t = trim(sep)
-    if (t ~ /^:-+:$/) return "center"
-    if (t ~ /^:-+$/) return "left"
-    if (t ~ /^-+:$/) return "right"
-    return ""
-}
-
-function render_cell(cell, inner) {
-    inner = trim(cell)
-    if (inner ~ /^```.*```$/) {
-        sub(/^```[[:space:]]*/, "", inner)
-        sub(/[[:space:]]*```$/, "", inner)
-        return "<pre><code>" inner "</code></pre>"
-    }
-    return inner
-}
-
-BEGIN { count = 0 }
-{ lines[++count] = $0 }
-
-END {
-    in_pre = 0
-    i = 1
-    while (i <= count) {
-        if (lines[i] ~ /^<pre><code>/) {
-            in_pre = 1
-            print lines[i]
-            i++
-            continue
-        }
-        if (in_pre) {
-            print lines[i]
-            if (lines[i] ~ /^<\/code><\/pre>/) in_pre = 0
-            i++
-            continue
-        }
-
-        if (i < count && is_table_row(lines[i]) && is_table_sep(lines[i + 1])) {
-            n_header = split_row(lines[i], header)
-            n_sep = split_row(lines[i + 1], sep)
-            n_cols = (n_header > n_sep ? n_header : n_sep)
-
-            print "<table>"
-            print "<thead>"
-            print "<tr>"
-            for (c = 1; c <= n_cols; c++) {
-                cell = (c <= n_header ? render_cell(header[c]) : "")
-                a = (c <= n_sep ? align_for(sep[c]) : "")
-                if (a != "") print "<th style=\"text-align: " a ";\">" cell "</th>"
-                else print "<th>" cell "</th>"
-            }
-            print "</tr>"
-            print "</thead>"
-
-            j = i + 2
-            print "<tbody>"
-            while (j <= count && is_table_row(lines[j])) {
-                n_body = split_row(lines[j], body)
-                print "<tr>"
-                for (c = 1; c <= n_cols; c++) {
-                    cell = (c <= n_body ? render_cell(body[c]) : "")
-                    a = (c <= n_sep ? align_for(sep[c]) : "")
-                    if (a != "") print "<td style=\"text-align: " a ";\">" cell "</td>"
-                    else print "<td>" cell "</td>"
-                }
-                print "</tr>"
-                j++
-            }
-            print "</tbody>"
-            print "</table>"
-
-            i = j
-            continue
-        }
-
-        if (is_table_sep(lines[i]) && i < count && is_table_row(lines[i + 1])) {
-            n_sep = split_row(lines[i], sep)
-            n_cols = n_sep
-
-            print "<table>"
-            print "<thead>"
-            print "<tr>"
-            for (c = 1; c <= n_cols; c++) {
-                a = align_for(sep[c])
-                if (a != "") print "<th style=\"text-align: " a ";\"></th>"
-                else print "<th></th>"
-            }
-            print "</tr>"
-            print "</thead>"
-
-            j = i + 1
-            print "<tbody>"
-            while (j <= count && is_table_row(lines[j])) {
-                n_body = split_row(lines[j], body)
-                print "<tr>"
-                for (c = 1; c <= n_cols; c++) {
-                    cell = (c <= n_body ? render_cell(body[c]) : "")
-                    a = align_for(sep[c])
-                    if (a != "") print "<td style=\"text-align: " a ";\">" cell "</td>"
-                    else print "<td>" cell "</td>"
-                }
-                print "</tr>"
-                j++
-            }
-            print "</tbody>"
-            print "</table>"
-
-            i = j
-            continue
-        }
-
-        print lines[i]
-        i++
-    }
-}
-' "$temp_file" > "$temp_file.table.$$" && mv "$temp_file.table.$$" "$temp_file"
-
-# br tags
-sed_ere_inplace '
-# if an empty line, append it to the next line, then check on whether there is two in a row
-/^$/ {
-N
-N
-/^\n{2}/s/(.*)/\n<br \/>\1/
-}
-' "$temp_file"
-
-# emphasis and strong emphasis and strikethrough
-sed_ere_inplace_n '
-# batch up the entire stream of text until a line break in the action
-/^$/b emphasis
-
-H
-$ b emphasis
-b
-
-:emphasis
-x
-s/\*\*([^\n]+)\*\*/<strong>\1<\/strong>/g
-s/__([^_\n]+)__/<strong>\1<\/strong>/g
-s/\*([^\*\n]+)\*/<em>\1<\/em>/g
-s/([^\\])_([^_\n]+)_/\1<em>\2<\/em>/g
-s/\~\~([^\n]+)\~\~/<strike>\1<\/strike>/g
-p
-' "$temp_file"
-
-sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-# paragraphs
-sed_ere_inplace_n '
-# if an empty line, check the paragraph
-/^$/ b para
-# else append it to the hold buffer
-H
-# at end of file, check paragraph
-$ b para
-# now branch to end of script
-b
-# this is where a paragraph is checked for the pattern
-:para
-# return the entire paragraph into the pattern space
-x
-# look for non block-level elements, if there - print the p tags
-/\n<(div|table|pre|p|[ou]l|h[1-6]|[bh]r|blockquote|li)/!{
-s/(\n+)(.*)/\1<p>\n\2\n<\/p>/
-p
-b
-}
-p
-' "$temp_file"
-
-sed_inplace '1 d' "$temp_file" # cleanup superfluous first line
-
-# cleanup area where P tags have broken nesting
-sed_ere_inplace_n '
-# if the line looks like like an end tag
-/^<\/(div|table|pre|p|[ou]l|h[1-6]|[bh]r|blockquote)>/{
-h
-# if EOF, print the line
-$ {
-x
-b done
-}
-# fetch the next line and check on whether or not it is a P tag
-n
-/^<\/p>/{
-G
-b done
-}
-# else, append the line to the previous line and print them both
-H
-x
-}
-:done
-p
-' "$temp_file"
-
-# inline styles and special characters
-sed_ere_inplace '
-/^<pre><code>/,/^<\/code><\/pre>/b
-
-s/<(http[s]?:\/\/.*)>/<a href=\"\1\">\1<\/a>/g # automatic links
-s/<(.*@.*\..*)>/<a href=\"mailto:\1\">\1<\/a>/g # automatic email address links
-
-# force-inline image syntax (double bang)
-s/!!\[([^]]*)\]\(([^)]*) \"([^\"]*)\"\)/<img data-force-inline=\"1\" alt=\"\1\" src=\"\2\" title=\"\3\" \/>/g
-s/!!\[([^]]*)\]\(([^)]*)\)/<img data-force-inline=\"1\" alt=\"\1\" src=\"\2\" \/>/g
-
-s/(^|[^\\])!\[([^]]*)\]\(([^)]*) \"([^\"]*)\"\)/\1<img alt=\"\2\" src=\"\3\" title=\"\4\" \/>/g # inline image with title
-s/(^|[^\\])!\[([^]]*)\]\(([^)]*)\)/\1<img alt=\"\2\" src=\"\3\" \/>/g # inline image without title
-
-s/(^|[^\\!])\[([^]]*)\]\(([^)]*) \"([^\"]*)\"\)/\1<a href=\"\3\" title=\"\4\">\2<\/a>/g # inline link with title
-s/(^|[^\\!])\[([^]]*)\]\(([^)]*)\)/\1<a href=\"\3\">\2<\/a>/g # inline link
-
-# MFM font syntax
-s/\$\[font\.serif ([^]]+)\]/<span style=\"font-family: serif;\">\1<\/span>/g
-s/\$\[font\.monospace ([^]]+)\]/<span style=\"font-family: monospace;\">\1<\/span>/g
-s/\$\[font\.sans ([^]]+)\]/<span style=\"font-family: sans-serif;\">\1<\/span>/g
-
-# special characters
-/&.+;/!s/&/\&amp;/g # ampersand
-/<[\/a-zA-Z]/!s/</\&lt;/g# less than bracket
-' "$temp_file"
-
-# display and cleanup
 awk -v input_file="$1" -v site_root="$MARKDOWN_SITE_ROOT" -v fallback_file="$MARKDOWN_FALLBACK_FILE" -f "$awk_dir/markdown_embed.awk" "$temp_file"
 rm "$temp_file"

site.conf

@@ -9,3 +9,8 @@ display_logo = false
 display_title = true
 logo_as_favicon = true
 favicon = ""
+order = ""
+home_name = "Home"
+show_home_in_nav = true
+nav_links = ""
+nav_extra = ""

site/depths/deeper depths/deeper deeper depths/the deepest depths/blobfish/blobfish.md

@@ -15,3 +15,5 @@ Sed dictum tortor at interdum dignissim. Nunc hendrerit sollicitudin elementum.
 Cras vitae sapien egestas, blandit libero et, volutpat augue. Ut augue quam, sollicitudin quis libero laoreet, bibendum imperdiet massa. Duis sed venenatis risus. Praesent a est mollis, viverra erat quis, faucibus elit. Donec at sagittis est, non posuere nisi. Integer posuere pharetra dui in aliquam. Morbi vehicula eros in hendrerit aliquam. Duis in turpis vel mauris mattis convallis in id tortor. Cras et aliquam augue.
 
 Cras quis consectetur dolor, a sodales tortor. Vestibulum aliquam lacinia metus, sed viverra erat egestas in. Morbi interdum sapien sed bibendum maximus. Aenean accumsan pharetra libero dapibus aliquam. Etiam sodales purus posuere gravida ullamcorper. Vestibulum tincidunt, nibh a pulvinar aliquet, leo tortor pulvinar diam, ut viverra nunc elit bibendum nulla. Praesent vel pulvinar erat, eu efficitur magna. Mauris at consequat purus. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Fusce in dui quis nisi elementum aliquam. Proin eget justo sed est commodo accumsan. Suspendisse a feugiat tellus, eget gravida tellus.
+
+![https://www.youtube.com/embed/NvQD9E5Cq8A]

site/index.md

@@ -38,6 +38,11 @@ style = "kewt"
 dir_indexes = true
 single_file_index = true
 flatten = false
+order = ""
+home_name = "Home"
+show_home_in_nav = true
+nav_links = ""
+nav_extra = ""
 footer = "made with <a href="https://kewt.krzak.org">kewt</a>"
 logo = ""
 display_logo = false
@@ -51,6 +56,11 @@ favicon = ""
 - `dir_indexes` generate directory index pages when missing `index.md`
 - `single_file_index` if a directory has one markdown file and no `index.md`, use that file as `index.html`
 - `flatten` flatten sidebar directory levels
+- `order` comma separated file/directory name list to order the sidebar (alphabetical by default)
+- `home_name` text for the home link in navigation (default: "Home")
+- `show_home_in_nav` show home link in navigation (default: true)
+- `nav_links` comma separated extra nav links, as bare URLs or Markdown links like `[Label](https://example.com)`
+- `nav_extra` raw HTML appended inside the `<nav>` after the generated link list
 - `footer` footer html/text shown at the bottom of pages
 - `logo` logo image path (used in header if enabled)
 - `display_logo` show logo in header
@@ -58,6 +68,12 @@ favicon = ""
 - `logo_as_favicon` use `logo` as favicon
 - `favicon` explicit favicon path (used when `logo_as_favicon` is false or no logo is set)
 
+## Ignores
+
+- `.kewtignore`: Files/directories to ignore. If empty, the whole directory gets ignored
+- `.kewthide`: Files/directories to hide from navigation but still process. Same empty rules as with ignore
+- `.kewtpreserve`: Files/directories to copy but not convert markdown to html. Same empty rules again
+
 ## Embeds
 
 - `\![link]`:
@@ -73,6 +89,5 @@ favicon = ""
 - Markdown to html conversion based on [markdown.bash](https://github.com/chadbraunduin/markdown.bash) by [chadbraunduin](https://github.com/chadbraunduin)
 - Default css style and html template based on _[kew](https://github.com/uint23/kew)_ by [uint23](https://github.com/uint23)
 
-# Warning
 >![WARNING]
 >Most of this was coded at night, while sleepy and a bit sick, and after walking for about 4 hours around a forest, so...

site/site.conf

@@ -0,0 +1,12 @@
+title = "kewt"
+style = "kewt"
+dir_indexes = true
+single_file_index = true
+flatten = false
+footer = "<a href="https://kewt.krzak.org"><img src="/button.gif" /></a>"
+logo = ""
+display_logo = false
+display_title = true
+logo_as_favicon = true
+favicon = ""
+order = ""

styles/kewt.css

@@ -43,6 +43,15 @@ header h1 {
     font-style: italic;
 }
 
+.site-logo {
+    vertical-align: middle;
+    height: 1.1em;
+    width: auto;
+    border: none;
+    margin-right: 0.2em;
+    margin-top: -0.1em;
+}
+
 header a {
     color: var(--fg);
     text-decoration: none;
@@ -199,3 +208,15 @@ footer {
     margin-left: 240px;
     margin-top: 0px;
 }
+
+img {
+    image-rendering: auto;
+    image-rendering: crisp-edges;
+    image-rendering: pixelated;
+    image-rendering: -webkit-optimize-contrast;
+}
+
+footer img {
+    display: inline-block;
+    vertical-align: top;
+}

tools/build-standalone.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -e
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+
+if [ ! -f "$REPO_ROOT/kewt.sh" ]; then
+    echo "kewt.sh not found. Run from the repository root or tools/."
+    exit 1
+fi
+
+OUT_FILE="$REPO_ROOT/kewt"
+
+cat << 'EOF' > "$OUT_FILE"
+#!/bin/sh
+tmpdir=$(mktemp -d "/tmp/kewt.XXXXXX")
+trap 'rm -rf "$tmpdir"' EXIT HUP INT TERM
+
+# Extract payload
+sed '1,/^#==PAYLOAD==$/d' "$0" | tar -xz -C "$tmpdir"
+
+# Pass control to the extracted script
+exec "$tmpdir/kewt.sh" "$@"
+
+#==PAYLOAD==
+EOF
+
+tar -cz -C "$REPO_ROOT" kewt.sh markdown.sh awk styles >> "$OUT_FILE"
+
+chmod +x "$OUT_FILE"
+
+echo "Generated standalone executable at $OUT_FILE"