[NTG-context] Issue with ligatures before dashes

Wolfgang Schuster wolfgang.schuster.lists at gmail.com
Tue Oct 30 18:34:39 CET 2018


\setuppapersize[A7]

\starttext

fi fl ffi ffl

fi-fi fl-fl ffi-ffi ffl-ffl

\setbreakpoints[compound]

fi-fi fl-fl ffi-ffi ffl-ffl

\stoptext

Wolfgang


Rik Kabel schrieb am 30.10.18 um 17:32:
>
> This was reported on the LuaLatex list yesterday, and I extended the 
> example to include ConTeXt compounds. From my test folder:
>
>     %% No ligatures before dashes! Reported as: “ligatures before
>     %%   dashes not working with LuaLaTeX 1.07.0” on comp.tex.luatex,
>     %%   2018-10-29 by Toni Dietze. This is also a problem with ConTeXt,
>     %%   and is a problem with compounds as well. The problem is worse
>     %%   with 1.09.0: With 1.07.0 (6686) it fails with the bare hyphen
>     %%   but had no problem with en-dash, em-dash, and the compounds
>     %%   shown below. With luatex 1.09.0 (6930) it fails with bare
>     %%   hyphen and all shown compounds except |=|.
>
>     \starttext
>        \setupTABLE[c][1,3][align=left]
>        \setupTABLE[c][2,4][loffset=1em,roffset=1em]
>        \setupTABLE[r][each][offset=0pt]
>        \bTABLE[frame=off]
>         \bTABLEhead
>          \bTR[align=center,bottomframe=on]
>            \bTH[nc=2] Non-compound\eTH
>            \bTH[nc=2] Compound\eTH
>          \eTR
>         \eTABLEhead
>         \bTABLEbody
>          \bTR
>            \bTD -     \eTD \bTD off-course\eTD
>            \bTD \|-\| \eTD \bTD off|-|course\eTD
>          \eTR
>          \bTR
>            \bTD –     \eTD \bTD off–course\eTD
>            \bTD \|–\| \eTD \bTD off|–|course\eTD
>          \eTR
>          \bTR
>            \bTD —     \eTD \bTD off—course\eTD
>            \bTD \|—\| \eTD \bTD off|—|course\eTD
>          \eTR
>          \bTR
>            \bTD       \eTD \bTD                  \eTD
>            \bTD \|_\| \eTD \bTD off|_|course\eTD
>          \eTR
>          \bTR
>            \bTD       \eTD \bTD                  \eTD
>            \bTD \|=\| \eTD \bTD off|=|course\eTD
>          \eTR
>         \eTABLEbody
>        \eTABLE
>     \stoptext
>
> In one 300-page book, this hits a few times (off-course, 
> oft-repeated,...). Not the worst problem, but clearly a regression.
>
> -- 
> Rik
>
>
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