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bug#16347: 24.3.50; Company pseudo-tooltip refresh problem when expanded

From: Dmitry Gutov
Subject: bug#16347: 24.3.50; Company pseudo-tooltip refresh problem when expanded down at eob
Date: Thu, 09 Jan 2014 17:23:02 +0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

Sorry, you both. Here's the missing piece:

(setq bidi-display-reordering nil)

This is pretty low-level var, so maybe it's not even supposed to be set by a user.

On 08.01.2014 21:55, Eli Zaretskii wrote:
I'm not Stefan, but I have problems reproducing this.  Is the recipe
complete enough to start with "emacs -Q"?  Obviously, there should be
a step to add the company directory to load-path, but are there any
other customizations that are necessary?

Sorry, see above.

Also, the description of the problem is not entirely clear to me.  By
"current candidate" do you mean the completion candidate whose line in
the pseudo-tooltip is displayed with a distinct color?


You also talk about
"summary lines shown in the echo area", but if I follow your recipe, I
see nothing in the echo area, and the *Messages* buffer confirms that
nothing was displayed there.

Indeed, this only happens when a suitable backend gets enabled, and company-elisp only works in IELM buffers in the upstream Company, not yet with code in ELPA. You can try

(require 'company-capf)
M-x company-capf

but that really doesn't matter, since it's unrelated to the bug and just indicates that the current candidate has indeed changed after you pressed M-n or M-p, and it's just overlay display that wasn't updated.

Finally, did you try with the current trunk?  Your original report is
about a revision after which a fix for a similar redisplay problems
was committed, so is there any chance you are still using an outdated
trunk code?

I saw that fix, but no change.

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