GNU bug report logs - #48180
ruby-mode.el: fix font lock for puts and printf

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Message #15 received at 48180 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Steve Purcell <steve <at> sanityinc.com>, 48180 <at> debbugs.gnu.org
Subject: Re: bug#48180: ruby-mode.el: fix font lock for puts and printf
Date: Mon, 3 May 2021 13:17:48 +0300

Hi Steve,

On 03.05.2021 04:01, Steve Purcell wrote:
> Both these methods can be called without arguments, so the font
> locking of "bare" calls to either is incorrect.  The fix is to
> font-lock them as for other kernel methods which accepts zero or more
> arguments.

Is that important? Like, is anybody likely to call either without args? 
font-lock is not a precise facility (that anything depends on), so we 
can afford to be wrong in 0.01% cases.

If we institute this principle, I suppose we'll need to do this for all 
functions that can work without args? In my testing, that's also:

p, open, loop, warn, print

Also note that your title says 'printf', but the patch said 'print'.

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