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bug#26445: 26.0.50; Scroll margin and cursor movement working incorrectl

From: Eli Zaretskii
Subject: bug#26445: 26.0.50; Scroll margin and cursor movement working incorrectly when scrolling over different height lines
Date: Fri, 14 Apr 2017 19:07:32 +0300

> From: Alexander Miller <address@hidden>
> Date: Fri, 14 Apr 2017 17:03:16 +0200
> On 14/04/17 14:16, Eli Zaretskii wrote:
> > Once you tell Emacs to use that font for some range of characters, it
> > should choose the best size automatically.
> Not always. I did not experiment too much, but one example is ⇛ displayed
> by DejaVu Sans being slightly larger than the surrounding Fantasque Sans 
> Mono text.

I said "the best size".  That doesn't always mean "perfect", because
not every font supports all the required sizes.

> At any rate I now have all the tools I need to fix my height issue: For 
> entire character
> ranges being too large (like Font Awesome) the entire range's height can be
> changed with
> (set-fontset-font "fontset-default" '(#xf039 . #xf26e)
>                    (font-spec :size 12 :name "Font Awesome"))
> The exact range is probably not correct, I still need to look up where 
> it starts and ends.
> The same solution can be used to fix the size of a single character:
> (set-fontset-font "fontset-default" '(?\⇛ . ?\⇛)
>                    (font-spec :size 12 :name "Symbola"))

This will work as long as you don't use face scaling.

> The bug can be closed now. Thanks for the help and happy easter.

Thanks, closing.

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