wiki style links: portability regex fix

diff --git a/markdown.awk b/markdown.awk
index 100242cb1ebb9b0e2a706a1025dbc552c51c190b..33c12bdc9a5be4bcccd3e5bf1b504182291b0c36 100755 (executable)
--- a/markdown.awk
+++ b/markdown.awk
@@ -137,10 +137,10 @@ function inline( line, LOCAL, len, code, href, guard ) {
     }
 
   # Wiki style links
-  } else if ( match( line, /^\[\[([^\]\|]+)(\|([^\]]+))?\]\]/) ) {
+  } else if ( match( line, /^\[\[([^]|]+)(\|[^]]+)?\]\]/) ) {
     len = RLENGTH;
-    href = gensub(/^\[\[([^\]\|]+)(\|([^\]]+))?\]\]/, "\\1", 1, substr(line, 1, len) );
-    text = gensub(/^\[\[([^\]\|]+)(\|([^\]]+))?\]\]/, "\\3", 1, substr(line, 1, len) );
+    href = gensub(/^\[\[([^]|]+)(\|([^]]+))?\]\]/, "\\1", 1, substr(line, 1, len) );
+    text = gensub(/^\[\[([^]|]+)(\|([^]]+))?\]\]/, "\\3", 1, substr(line, 1, len) );
     if ( ! text ) text = href;
     return "<a href=\"" URL(href) "\">" HTML(text) "</a>" inline( substr( line, len + 1) );