Great work, thank you very much.
It would be nice if there was a theme setting (under Markup overrides) where one could toggle the display of a colon for a field label.
And here is the patch against 7.x-3.1.
Cool, I wonder if it makes sense to allow for changing the colon, say to a hyphen or em dash etc? Maybe if we did that, and you left it empty it would not show?
When would one need an hyphen or other?
When the designer specifies such a thing, with the $colon variable this is pretty simple which is what I like the most about this patch.
Personally I think allowing for a change to the colon is more hassle than it's worth, we have to escape its output by calling check_plain() which is expensive and I try to limit use of that function, basically another pile of code to support what will probably be an edge case.
The $colon variable is the key here, with this we have enough, although I still wonder if we should add span elements around the colon, then at least the themer has a crack at this via CSS alone, e.g. they want to make it different to the label.
Adding a span is easy enough though I hardly can see why a themer would like to theme the colon itself. The fields around the colon are allready fully themeble.
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