N-Shar-ma 9cedf0e8bc compose: Trigger language typeahead on using code formatting button. ...

To increase the discoverability of the possibility of specifying the
language for a code block, we trigger the language typeahead when code
syntax is added using the code formatting button. A blank option is
shown preselected in the typeahead, so that pressing enter will not
mistakenly add a language to the code block.

We only trigger the typeahead on empty opening fences when added by the
button, by setting a state variable to true when adding the syntax using
the button, checking for this state when sourcing languages for the code
typeahead, and then resetting the state variable to false.

Fixes: #29150.

2024-03-25 16:30:03 -07:00

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