Fix links getting linified when they shouldn't

awk/fenced_code.awk

@@ -11,6 +11,7 @@ BEGIN { in_fence = 0; first_line = 0 }
         next
     }
     if (in_fence) {
+        gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
         if (first_line) {
             first_line = 0
             if ($0 == "") next

awk/indented_code.awk

@@ -2,7 +2,7 @@ BEGIN { in_code = 0 }
 /^	|    / {
     if (!in_code) { print "<pre><code>"; in_code = 1 }
     sub(/^	|    /, "", $0)
-    gsub(/&/, "&amp;"); gsub(/</, "&lt;"); gsub(/>/, "&gt;")
+    gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
     print; next
 }
 { if (in_code) { print "</code></pre>"; in_code = 0 } print }