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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Thu, 14 Jan 2016 12:30:57 +0100
Message-ID: <CAKc7PVByFUCv3hffWHk8DLhwatTqQbisjERi2Gw2BHNuJEsNGg@mail.gmail.com>
Subject: Re: _history-complete-older problems with $(
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Content-Type: text/plain; charset=UTF-8

On 14 January 2016 at 05:48, Bart Schaefer <schaefer@brasslantern.com> wrote:
> On Jan 13,  5:40pm, Sebastian Gniazdowski wrote:
> Ah.  Another wrinkle I overlooked.  You need to store the original
> values of $PREFIX and $SUFFIX somewhere, e.g.
>
>     local origPREFIX=$PREFIX origSUFFIX=$SUFFIX
>
> Then, after "compadd -O found" but before trimming PREFIX and SUFFIX
> off of $found, you need
>
>     PREFIX=${PREFIX#$origPREFIX}
>     SUFFIX=${SUFFIX%$origSUFFIX}
>
> This is because compadd will still try to replace the original word
> prefix ("wid") with whatever you pass to that second compadd, so if
> there was an original prefix/suffix you must NOT trim those off.  I
> didn't test my original version with anything other than an empty
> $PREFIX so didn't think of this.
>
> } The same problem is with "ls" about which I wrote to you earlier. So
> } it seems that the second compadd isn't fully working.
>
> When _history returns nonzero, your debugging line
>
>     echo >> /tmp/wfhistory
>
> is clobbering that with its own zero return, so completion stops even
> if no matches were found.  Move that last "echo" into the block that
> is after "always" (right before "unfunction compadd").

Bart the menucomplete option has something to do with all those
things. I don't have the option set. When I set it it can be observed
how your code helps or harms $(<Tab> and ls<Tab>

https://asciinema.org/a/1qyjrg38s411m8rbsvmtnfwgl

Best regards,
Sebastian Gniazdowski