[NTG-pdftex] [ pdftex-Feature Requests-715 ] highlight ligatures

[noreply at sarovar.org]

Feature Requests item #715, was opened at 2006-12-22 10:48
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Uli Laube (ulilaube)
Assigned to: Nobody (None)
Summary: highlight ligatures

Initial Comment:
Hello!

>From time to time people in de.comp.text.tex ask for a
solution to remove ligatures from german words
automatically. As this requires quite some knowledge of
the morphology of the german language, packages like 
rmligs  or  ligatex  use lists of words to remove
unwanted ligatures. As this depends on the ligatures
available in the font used, it is quite troublesome to
the compile the lists.

I'am proposing the following addtion to be incorporated
into pdftex: highlighting of the ligatures.

If enabled pdftex uses a bold version of the font when
it inserts ligatures in normal text and vice versa.
Like /em and /emph work for italic text. This would
allow the user of pdftex to prepare a draft copy of the
document were all ligatures are highlighted and can be
easily spotted. The user can then insert "| manually to
remove the unwanted ligatures.

Kind Regards and Happy Holidays

Uli Laube

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>Comment By: Uli Laube (ulilaube)
Date: 2006-12-22 11:22

Message:
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If a document uses different fonts, they might have
different ligatures available. The special font and the
macro packages might not be aware of this. As far as I know,
the insertion of ligatures happens late when the .dvi oder
.pdf is created. My hope is that switching to the bold
version of the font when a ligature is inserted might be a
way to have this feature work for all fonts. 

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Comment By: Frank Küster (frank)
Date: 2006-12-22 11:08

Message:
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Since ligatures are inserted according to information in the
fonts, I think this should be implemented as a combination
of a special font (which uses noticeably different glyphs
for ligatures), and a macro package that switches fonts.

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