Oxygen XML supports syntax highlight for XML, DTD, Relax NG (XML and Compact Syntax), Java, JavaScript / JSON, PHP,CSS, XQuery, C++, C, Perl, Properties, SQL, Shell and Batch documents. While Oxygen XML provides a default color configuration for highlighting the tokens, you can choose to customize it, using the Colors options panel.
The Colors options panel is opened from menu .
You can edit the following color properties of the selected token:
The Enable nested syntax highlight option controls if different content types mixed in the same file (like PHP, JS and CSS scripts inside an HTML file) are highlighted according with the color schemes defined for each content type.