Fix issue with CodeMirror being wider than the screen and scrolling.
Seems like width: 100% + padding/margin causes the actual width to be more than 100%. Though if the CodeMirror element just auto-calculate the width it's fine. Also fixed similar issue with the <textbox>.
<py:for each="segment in paths">/<a href="${segment['href_path']}" title="Navigate to ${segment['nav_path']}">${segment['path']}</a></py:for> (Subversion log)