**Is your feature request related to a problem? Please describe.** Syntax highlighting doesn't turn of when I open a file with dts extension
**Describe the solution you'd like** Geany to pick C-like source highlighting
**Describe alternatives you've considered**
**Additional context** https://www.kernel.org/doc/Documentation/devicetree/booting-without-of.txt:1... format of the .dts "source" file is "C" like, supports C and C++
Your link 404s
You can add extension to be handled as C or C++ by editing `Tools->Configuration files->filetype_extensions.conf` as described in the [manual](https://www.geany.org/manual/current/index.html#filetype-extensions)
The link has been fixed and thank you for the information. Anyway, I think somebody should take care of this request in the master branch.
BR
This kind of esoteric format is exactly why stuff like `filetype_extensions.conf` exists.
I'm closing this for now as it's already supported, just not by default. Feel free to re-open or comment more on it.
Closed #2164.
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