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#51821
29.0.50; Suggest add variable or frame parameter: line-height
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Message #145 received at 51821 <at> debbugs.gnu.org (full text, mbox):
Eli Zaretskii <eliz <at> gnu.org> writes:
>> From: "Feng Shu" <tumashu <at> 163.com>
>> Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, 51821 <at> debbugs.gnu.org
>> Date: Sat, 20 Nov 2021 07:03:18 +0800
>>
>> yestaday, I have tested with hack version of your patch, I think
>> line-height or line-height-factor is not a proper way to solve my core
>> problem.
>>
>> My core problem is how to let tab/mode/header-line and minibuffer's
>> height do not change depend Chinese exist or not.
>
> That's a different problem from that Lars wanted to solve, AFAIU.
Really? wait to good news :-)
>
>> line-height-factor can let their height do not change, but the problem
>> is that the result looks very ugly, for line-space very large, It will
>> be painful in daily use.
>
> I agree it is not very pretty, but I don't see how such a feature
> could do much better.
:-)
>
>> so I think the good approach maybe is providing a simple way, by which
>> we can easy let no-ascii font use small height if a face is not used in
>> table like environment.
>
> That's no longer a display issue, I think. And I don't really
> understand how we could implement that, since faces are oblivious to
> the context in which they are used.
I do not know too, just a guess :-), let face use a fontset? I do not know.
>
> And what do you mean by "table like environment"? do you mean
> tabulated-list-mode and its descendants, or do you mean Org tables, or
yes, include
> do you mean just simple text display that emulates tables by aligning
> text on column boundaries, like, for example, in Gnus summary buffers?
yes, include
>
> And finally, what do you mean by "no-ascii font use small height" --
> how will Emacs ensure such smaller height of these fonts?
>
>> In my opinion "1 Chinese char width = 2 * ASCII char width" is *only*
>> useful in table like environment. let Chinese char's height <= ASCII
>> char's height will work well in other situation, and have no
>> tab/mode/header-line height change problem too.
>
> Until now, your main concern was that the echo-area height changes
> depending on whether it does or doesn't show Chinese characters. Are
Yes, it is my main concern.
> you now saying that concern is no longer important? If so, why do we
No, I mean if Chinese font's height <= ASCII font height, it will no
this problem, so I think line height will no longer important at this
situation.
> need to do anything about the height of the Chinese font used by Emacs
> in text that mixes Chinese and ASCII characters?
--
This bug report was last modified 3 years and 208 days ago.
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