fix: typo in codeblock handling that made it so headers appear

README.md

@@ -10,7 +10,7 @@
 _kewt_ is a minimalist ssg inspired by _[werc](http://werc.cat-v.org/)_ and _[kew](https://github.com/uint23/kew)_
 
 
-## [Installation](https://kewt.krzak.org/#Installation)
+## [Installation](https://kewt.krzak.org/#installation)
 
 ## Contributing
 

awk/headers.awk

@@ -38,7 +38,7 @@ BEGIN {
     in_pre = 0
 }
 {
-    if ($0 ~ /^<pre><code>/) {
+    if ($0 ~ /^<pre><code/) {
         in_pre = 1
         if (has_prev && prev != "") { print_header(prev); has_prev = 0 }
         print