Here you can find existing HippoEDIT bundles for different programming languages. Bundle contains specification file (describes grammar, syntax highlighting rules, labels for Navigation bar and default settings) and user file (contains code templates, settings for tools and context help).
How to install extension with 1.50 and higher:
download bundle file (*.hebundle) and open it with HippoEDIT. Or use editor built-in on-line repository functionality.
How to install extension with 1.4x and below:
get extension using download link from the list, rename *.hebundle file to *.zip and unpack the archive into user data folder (current path can be found in About Box).