Add extend_to_first_nonwhitespace

[hadronized]

Kakoune has this nice extend-based workflow that is almost entirely reproducible in Helix. It’s nice because it’s consistent:

• w select next word; W extends next word.
• f( select up to next (; F( extends up to next (.
• gh goes to the line start; Gh extends up to the line start.
• gi goes to the first nonwhitespace character; Gi extends up to the first nonwhitespace character.

Helix can do all of that already… except Gi, since it doesn’t have extend_to_first_nonwhitespace (but it does have extend_to_line_start!).

I suggest adding extend_to_first_nonwhitespace, and I might work on it if no one else is already working on it.

[boxbeam]

wouldn't vW do this?

[hadronized]

No, because using v means going in select mode first.