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Re: Org-syntax: Intra-word markup

From: Juan Manuel Macías
Subject: Re: Org-syntax: Intra-word markup
Date: Thu, 02 Dec 2021 13:14:43 +0000

Ihor Radchenko writes:

> Denis Maier <denismaier@mailbox.org> writes:
>>> Can you create an example of such scenario and post it as a bug?
>>> Probably, we just need to strip all zero-width spaces at the basic ox.el
>>> level.
>> To be clear: That's not an org bug. It's just that latex won't be able 
>> such a word. If | is a zero width space, the word "hyphen|ation" is not 
>> the same as "hyphenation".
>> 1. hyphenation
>> 2. hyphen|ation
> You are right for your example, but if we force the user to put
> *hyphen*|ation to create bold emphasis, it should not be any different
> compared to @@latex:\textbf{hyphen}ation@@. Meanwhile the *hyphen*|ation
> gets exported as \textbf{hyphen}|ation keeping the zero width space.

I would say that they are very random cases, and therefore difficult to
reproduce. In the 'hyphenation' example, if we load the package
showhypehns, you see that:

/hyphen/​ation (with zero width sp)



they are cut in the same way. But differently from

hyphenation (without emphasis)

(compiled with LuaTeX).

Anyway, I have come across some curious cases. For example, a long time
ago I had defined a macro for text in other languages:

#+MACRO: lg (eval (if (org-export-derived-backend-p org-export-current-backend 
'latex) (concat "@@latex:\\foreignlanguage{@@" $1 "@@latex:}{@@" "\u200B" $2 
"\u200B" "@@latex:}@@") $2))

I needed to add before and after a zero width space, but doing so, the
shape of the text was altered. That can be reproduced with this example:

#+LaTeX_Header: \usepackage{showhyphens}
#+LaTeX_Header: \def\example{\lipsum[1]}
#+LaTeX_Header: \def\zwsp{\char"200B{}}
#+OPTIONS: toc:nil


Best regards,

Juan Manuel 

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