feat: colour palettes

awk/footnotes.awk

@@ -8,7 +8,7 @@ BEGIN { fn_count = 0 }
     text = substr($0, id_end + 2)
     # Trim leading space
     sub(/^[ \t]+/, "", text)
-    
+
     fn_ids[++fn_count] = id
     fn_texts[id] = text
     next
@@ -21,19 +21,19 @@ BEGIN { fn_count = 0 }
 END {
     for (i = 1; i <= line_count; i++) {
         line = lines[i]
-        
+
         for (j = 1; j <= fn_count; j++) {
             id = fn_ids[j]
             marker = "[^" id "]"
             repl = "<sup><a href=\"#fn:" id "\" id=\"fnref:" id "\">" id "</a></sup>"
-            
+
             while ((pos = index(line, marker)) > 0) {
                 line = substr(line, 1, pos - 1) repl substr(line, pos + length(marker))
             }
         }
         print line
     }
-    
+
     if (fn_count > 0) {
         print "<hr />"
         print "<section class=\"footnotes\">"