When I was first learning elisp, one of the utilities I wrote was a flood-selection feature that sounds very similar to what you describe. Interestingly, it tur

When I was first learning elisp, one of the utilities I wrote was a flood-selection feature that sounds very similar to what you describe. Interestingly, it turned out to be quite useful in C code despite only being aware of string and paren (and brace and bracket) boundaries.