From: "Marcel Krüger" <tex@2krueger.de>
To: "ntg-context" <ntg-context@ntg.nl>
Subject: em-dash ligature is converted to en-dash in the generic fontloader
Date: Thu, 28 Feb 2019 12:38:54 +0100 [thread overview]
Message-ID: <16933e6728e.123a80716120657.793480406127173845@2krueger.de> (raw)
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On 2/23/2019 1:50 PM, Ulrike Fischer wrote:
> As reported on the dev-luatex list --- is converted to an en-dash
> (instead of em-dash) if there are no spaces around the ---.
>
> We could now reproduce the problem also with the generic fontloader:
> it appears only with mode=node. I'm using the files from 2019-02-14,
> but the problem appeared first in the files from 2018-11-18):
>
> \font\test={file:texgyreheros-regular.otf:+tlig;mode=node;}\test
>
> dashes-these % gives dash
>
> dashes--these % gives en-dash
>
> dashes---these % gives en-dash WRONG
>
> dashes --- these % gives em-dash
>
> em-dashes---these % gives em-dash
>
> \bye
>
> context is not affected, there the code works fine.
This issue can be fixed in the fontloader with the attached patch.
Best regards,
Marcel Krüger
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diff --git a/tex/context/base/mkiv/font-ots.lua b/tex/context/base/mkiv/font-ots-fixed.lua
index 563094f..b1068f7 100644
--- a/tex/context/base/mkiv/font-ots.lua
+++ b/tex/context/base/mkiv/font-ots-fixed.lua
@@ -841,7 +841,7 @@ function handlers.gsub_ligature(head,start,dataset,sequence,ligature,rlmode,skip
local prev = getprev(start)
if stop then
setnext(stop)
- local tail = getprev(stop)
+ local tail = stop
local copy = copy_node_list(start)
local liat = find_node_tail(copy)
if pre then
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next reply other threads:[~2019-02-28 11:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-28 11:38 Marcel Krüger [this message]
2019-03-01 10:17 ` Hans Hagen
2019-03-01 11:29 ` Marcel Krüger
2019-03-01 12:09 ` Hans Hagen
2019-03-01 12:15 ` Ulrike Fischer
2019-03-01 13:49 ` Hans Hagen
-- strict thread matches above, loose matches on Subject: below --
2019-02-23 12:50 Ulrike Fischer
2019-02-23 14:55 ` Hans Hagen
2019-02-23 15:30 ` Ulrike Fischer
2019-02-23 16:11 ` Hans Hagen
2019-02-25 14:55 ` Ulrike Fischer
2019-02-25 20:45 ` Henri Menke
2019-02-26 1:14 ` Rik Kabel
2019-02-25 20:46 ` Henri Menke
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