On 2016-07-07 12:18, martin rudalics wrote:
>> Here is how to reproduce this bug in the master build in an emacs -Q
>> session (and also to verify that this bug is not present in emacs-25 branch
>> build):
>>
>> 1. Launch emacs -Q
>> 2. Type "(setq a " in the *scratch* buffer
>>
>> In *master* build, you see this: http://i.imgur.com/YwBybGU.png
>> Note that the SYM argument is not highlighted (made bold).
>>
>> Whereas this is what I see on the *emacs-25* branch after the same steps
>> above: http://i.imgur.com/DveB1le.png
>> Note that this time, the correct argument is seen in bold face in the eldoc
>> hint.
> 
> Confirmed.  Something seems to suppress highlighting in the minibuffer -
> displaying eldoc in tooltips works as before.  Could you bisect to find
> out what's been causing this?

Confirmed here as well.