Describe your changes. Use imperative present tense.
Related to #1255
Potentially a breaking change in case someone has decided to use the string use-defsrc within a deflocalkeys variant. I considered a shorter name like src but that seemed like a higher risk of actually being used within deflocalkeys due to its brevity. Thus the verbose name use-defsrc.
Checklist
Add documentation to docs/config.adoc
[x] Yes
Add example and basic docs to cfg_samples/kanata.kbd
Describe your changes. Use imperative present tense.
Related to #1255
Potentially a breaking change in case someone has decided to use the string
use-defsrcwithin adeflocalkeysvariant. I considered a shorter name likesrcbut that seemed like a higher risk of actually being used withindeflocalkeysdue to its brevity. Thus the verbose nameuse-defsrc.Checklist