mikeage.net @ ט' תשרי תשס"ט

As you may have noticed, I often post code (including (X)HTML) in these posts. A classic problem is how to display a line like <html_tag> without having the web browser treat it as a tag and trying to process it. [UPDATE: Fix for comments!]

There's an excellent plugin called Code Markup that handes this very nicely. Basically, it allows adding an attribute to the <code> tag so that it reads (among other options)<code allow="none". Once this is done, all > and < characters are escaped, and no HTML will be processed.

The original plugin, however, does not work in comments. Thus, visitors cannot discuss code snippets! By making a two line change, however, this can be fixed.

Open up the file /path/to/wordpress/wp-content/plugins/code-markup.php and look at line 41. There, the plugin registers two filters to be run on the_content, which means a post. By changing the lines which read:

// Priority 1 - encode XML before we do anything else
add_filter('the_content', 'tguy_cmu_encode_xml', '1');
// Priority 11 - fix escaped slashes after wpautop() has added them
add_filter('the_content', 'tguy_cmu_fix_quotes', '11');

To have the following after them:

// Do the same for comments
add_filter('comment_text', 'tguy_cmu_encode_xml', '1');
add_filter('comment_text', 'tguy_cmu_fix_quotes', '11');

We can now have it apply this fix to comments as well! Go ahead, try it!

This entry was posted on י"ד תשרי תשס"ז - October 5, 2006 at 04:51 and is tagged as Interesting Site, Technical, Wordpress. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.