Here is a typical setting for it, enabling highlighting for files
with the extensions .c, etc, and also for any files named "Makefile".
- tohighlight => .c, .h, .cpp, .pl, .py, Makefile:make",
+ tohighlight => ".c .h .cpp .pl .py Makefile:make",
It knows what language to use for most filename extensions (see
`/etc/highlight/filetypes.conf` for a partial list), but if you want to