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On Thu, 8 Aug 2013 23:38:08 -0400, Alexey Radul <axofch@xxxxxxxxx> wrote: > The one trick is, in > |foo > ! bar > does forward-<anything>-sexp scope over just foo, or all of foo and > bar? With actual s-expressions, there would be an explicit open paren > there, so whether the cursor was in front of or behind it would > determine the answer. The immortality of having implemented an > excellent editor mode awaits anyone who can solve this problem (in a > coherent and useful way). There are probably lots of ways to address it; I suspect experimentation would be needed to find a good approach (I'm sure there'd never be universal agreement). One approach might be to pick a default scope, and then define some other key that can change the scope. Maybe a "shorten" prefix, or a "do-that-last-operation-but-use-the-other-scope-instead" key. For example, if it's not clear if it's "before" or "after" the implied paren, pick one as the default, and define a prefix to use the other one. Another would be to define a few keys for *selecting* a scope (that would then highlight the scope), and then separately define keys to do certain operations on the scope. That might be easier to get used to, since there'd be a visual cue. --- David A. Wheeler