WebHelp/Core: Fixed an issue where the copy action for a codeblock element in a topic page did not work.

DITA Publishing: Fixed an issue where the "syntaxdiagram" element was not properly rendered in the WebHelp Responsive and PDF-CSS-HTML5 outputs.

WebHelp Responsive: The user is redirected to the "index.html" page when the "cshelp.html" page is accessed directly.

WebHelp Responsive: Fixed an issue where clicking on a link on the main page TOC did not open the corresponding topic.

WebHelp Responsive: Fixed an issue where extra padding was added to the titles of topics.

The initial build of <oXygen/> XML WebHelp version 25.0