bug#17127: `call-process' circumvents password concealment w/ `read-passwd'

[Lars Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> The following patch fixes this, I think, by using post-command-hook
>> instead of after-change-functions.
>
> Actually, in theory after-change-functions should catch all cases
> whereas post-command-hook might miss some (i.e. chars inserted not
> while running a command, e.g. from a process filter).
>
> So while your new code probably works fine in practice (and is a good
> workaround for now) , I think the original code is "more correct" and we
> should try and figure out why it didn't work: how come
> after-change-functions is not run (or not correctly) by call-process?

Yeah, that's a good point.  Data inserted by call-process definitely
changes the buffer, so after-change-functions should be run.

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