Re: TeX ligatures in XeTeX/LuaTeX: ``who needs them''?

[Willi Egger <w.egger@boede.nl>]

Hi Mojca,

On Dec 8, 2007, at 11:04 PM, Mojca Miklavec wrote:

> Hello,
>
> just wondering: how many ConTeXt-ers depend on ligatures such as:
>    '' (double quote) and '' (two single quotes) -> right double quote
>   `` -> left double quote
>   ,, -> DOUBLE LOW-9 QUOTATION MARK

Handling different languages, so one needs a way to insert the ligs  
in the text. With UTF this is less of a problem
>
> or even more weird ones:
>   !` -> inverted exclam
>   ?` -> inverted question
>   << -> LEFT POINTING GUILLEMET (never heard of that ligature)
>>> -> RIGHT POINTING GUILLEMET

For Spanish this is definitevely necessary. Again if coded in UTF  
there is no problem.
>
> Some ligatures are handy indeed:
>   -- -> endash
>   --- -> emdash
>   ' -> right single quote (I'm, isn't etc.)

Sure this is important, I suggest to add the horizontal ellipsis
>
> I'm posting that question to get some feedback about which ones are
> expected to work/are fundamental for XeTeX & LuaTeX, so that others
> might be dropped from default additional font features (for
> third-party fonts). (I'm thinking about replacing tex-text in XeTeX
> with something:
> - more minimalistic
> - compatible with mkiv.
> Of course, users are still free to provide "tex-text" mapping
> explicitely as it's probably going to hang aound forever, together
> with XeTeX itself.)
>
> Mojca

Willi
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BOEDE
Book and Electronic Document Engineering
Willi Egger
w.egger@boede.nl
KvK 17138708



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If your question is of interest to others as well, please add an entry to the Wiki!

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