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TL;DR: da( doesn't delete the following space like daw does. Can I make this do what I want easily?

I have some sample lines (cursor is shown as |):

1. Sample line (extraneous| statement) in notes.
2. Sample line extra|neous in notes.

On line 2, daw will leave me with a complete, well-written sentence: Sample line in notes.

On line 1, da( will leave extra spaces: Sample line in notes., which is undesirable.

I know I could make a completely custom bind that does da(dl to avoid this issue, but I would like to use da( rather than some new key combination, and I don't know how I could remap that. I read motion.txt in :help and it looks like this isn't possible, but I figured I could be missing something.

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If you wanted to remap a(—

onoremap a( :<C-u>normal! va(l<CR>

This should make all uses of it include the space.

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  • da( with your remap on My (parenthetical st|atement) sentence yields My )| sentence. – jeremysprofile Nov 16 '20 at 14:24
  • @jeremysprofile good catch; I forgot that the rhs is not executed in normal mode! Try the edit – D. Ben Knoble♦ Nov 16 '20 at 15:07
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    Perfect! I prefer the individual remap to a full plugin, so this is ideal for me. Note to others that you will have to remap each wrap (a[, a{, a", etc) if you need this behavior for other wrappings. – jeremysprofile Nov 16 '20 at 15:23
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Plug-in wellle/targets.vim includes an operator mapping for this specific situation. The mapping is A( or Ab, which is analogous to a( but includes the whitespace following the pair.

See the plug-in's documentation for the "Around Pair" operator.

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