Reformat the code block holding the selection, in place. Declines (returns
null) when the selection is not in a code block, when the block is not that
language, when the source does not parse, and when the result is identical,
so a chained command can take over and the history gets no empty entry.
Reformat the code block holding the selection, in place. Declines (returns null) when the selection is not in a code block, when the block is not that language, when the source does not parse, and when the result is identical, so a chained command can take over and the history gets no empty entry.