<p></p>
<p>Are we sure this is a problem with Scintilla? I opened my yaml file in SciTE and saw that keys are being correctly highlighted.</p>
<p><a target="_blank" rel="noopener noreferrer" href="https://user-images.githubusercontent.com/38678140/109444842-2aba9800-7a0c-11eb-9ed7-84a2ab3800a7.png"><img src="https://user-images.githubusercontent.com/38678140/109444842-2aba9800-7a0c-11eb-9ed7-84a2ab3800a7.png" alt="Screenshot from 2021-02-28" style="max-width:100%;"></a></p>
<p>This made me think, maybe with the right config, I could have highlighted keys in Geany, too. I manually modified <code>filetypes.yaml</code> as suggested in this PR <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="316579542" data-permission-text="Title is private" data-url="https://github.com/geany/geany/issues/1838" data-hovercard-type="pull_request" data-hovercard-url="/geany/geany/pull/1838/hovercard" href="https://github.com/geany/geany/pull/1838">#1838</a> and found that it worked!</p>
<p><a target="_blank" rel="noopener noreferrer" href="https://user-images.githubusercontent.com/38678140/109445018-9bfa4b00-7a0c-11eb-9ce5-e8741145b6e4.png"><img src="https://user-images.githubusercontent.com/38678140/109445018-9bfa4b00-7a0c-11eb-9ce5-e8741145b6e4.png" alt="Screenshot from 2021-02-28 filetypes" style="max-width:100%;"></a></p>
<p>Could have saved me a bunch of research if Geany had this by default!</p>

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