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https://issues.apache.org/jira/browse/FOP-2522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17807787#comment-17807787
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Björn Kautler edited comment on FOP-2522 at 1/17/24 3:54 PM:
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Look at the screenshots I had in my last comment.
In the upper example in each screenshot it is only not shown on line-end - and
that is correct - as the {{hyphenation-character}} is set to empty value.
To reduce your confusion and uncertainty, I added the lower example, where you
see that where it should be shown it still is shown even with my patch.
That is on line-end where the word was split due to SHY.
was (Author: vampire):
Look at the screenshots I had in my last comment.
In the upper example in each screenshot it is only not shown on line-end - and
that is correct - as the {{hyphenation-character}} is set to empty value.
To reduce your confusion and uncertainty, I added the lower example, where you
see that where it should be shown it still shown even with my patch.
That is on line-end where the word was split due to SHY.
> [PATCH] Soft hyphens in front of some characters are transformed to
> hyphen-minus
> --------------------------------------------------------------------------------
>
> Key: FOP-2522
> URL: https://issues.apache.org/jira/browse/FOP-2522
> Project: FOP
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: Björn Kautler
> Priority: Major
> Attachments: image-2024-01-17-14-48-50-945.png,
> image-2024-01-17-14-49-08-309.png, issue-2522.fo, issue-2522.patch
>
>
> If you have a verbatim block like {{<programlisting>}} in DocBook, the
> DocBook XSL stylesheets insert many soft hypens
> (http://decodeunicode.org/u+00AD) into the content to show where the
> FO-processor may insert linebreaks. By default after spaces and non-breakable
> spaces, but configurable also after arbitrary other characters.
> Unfortunately it seems FOP does not handle the soft hyphens correctly,
> depending on the character that follows it. Soft Hyphens in front of some
> characters are transformed to hyphen-minus, no matter what
> hyphenation-characters is configured and even if the occurence is within a
> line and not at line break.
> I've observed this behaviour with soft hyphens in front of apostrophe
> (http://decodeunicode.org/u+0027), quotation mark
> (http://decodeunicode.org/u+0022), hyphen-minus
> (http://decodeunicode.org/u+002D) and full stop
> (http://decodeunicode.org/u+002E)
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