* Replace Jekyll highlight tags with fenced code blocks
Replace Jekyll highlight tags with fenced code blocks.
Canonicalize javascript to js.
Correct highlighting languages.
Add highlighting to code blocks.
Remove leading $ from bash blocks.
Remove empty lines at start and end of code blocks.
Stripped trailing whitespace.
* Fix language of code highlighting
* Added DU() and getConfiguredDomains()
* Added docs for both new functions
* Added a space between option and its value
* Renamed "DU" to "D_EXTEND", adjusted docs
* Fixed: Changed old DU() calls to D_EXTEND()