plasma-desktop - en to tok translation catalogue (3 entries)

[ctx: Concatenation sign for shortcuts, e.g. Ctrl+Shift]
en: +
tok:  en

[ctx: @action:button Revert an unsupported configuration back to the defaults]
en: Fix it
tok: o pona e pakala

[ctx: @action:button Delete the panel]
en: Delete Panel
tok: o weka e palisa
