Re: problem with pdftex-1.40.1 and Gentium ligatures

[Hans Hagen <pragma@wxs.nl>]

Johan Sandblom wrote:
> It took a lot of searching for a minimal case, apparently there are
> many levels of interaction here. The file below has blanks for fi fl
> ff when compiled with pdftex-1.40.1 but not with pdftex-1.30.5. Do you
> need some parts of my tex/font setup as well?
>
> Johan
>
> \usetypescriptfile[type-sil-gentium]
> \usetypescript[my][sil-gentium]
> \setupbodyfont[sil-gentium, 10pt]
>
> \definetypeface
>   [chance]
>   [cg]
>   [calligraphy]
>   [chancery]
>   [default]
>   [encoding=texnansi]
>
> \def\ChCmd#1#2{%
>   \switchtobodyfont[14pt]
>   \setupinterlinespace[small]
>   \framed[width=15cm, align=normal, frame=off]
>          {\framed[frame=off, align=middle, offset=2mm, width=.8\textwidth]{#2}
>           \hfilll\switchtobodyfont[chance,30pt]
>           \framed[background=color, backgroundcolor=black, width=3cm,
> align=right]{\white\bf#1}}}
>
> \setuphead
>   [chapter]
>   [command=\ChCmd,
>     header=empty,
>     page=right]
>
> \starttext
>
> \chapter[meth]{Methods for studying human brain function}
>
> fill significantly flog flash floozy flagellation
>
> \stoptext
>
> 2007/2/1, Taco Hoekwater <taco@elvenkind.com>:
>   
>> Hi Johan,
>>
>> If the only change is the pdftex version, than it sounds like this
>> is a pdftex bug. Any chance you can create a small standalone testfile?
>>
>> Best, Taco
>>
>> Johan Sandblom wrote:
>>     
>>> When I moved from pdftex-1.30.5-2.2 (from texlive-base-bin
>>> 2005.dfsg.2-10 on debian) to pdftex-1.40.1 suddenly ligatures in
>>> gentium exhibited erratic behavior: they appeared correctly (or, more
>>> accurately, the letters appeared, they did not look like a proper
>>> ligature) on screen in xpdf and acroread but did not print (there were
>>> just empty spaces). On windows, the fi, fl, and ff combinations made
>>> blanks, just as on the printer. Reverting to pdftex-1.30.5-2.2
>>> corrected the problem. Gentium is from ttf-gentium 1.02-2 on debian
>>> and the typescript I use is below. Perhaps my poor typesetting
>>> knowledge has lead me wrong and the lack of true ligatures is the
>>> actual problem?
>>>       

no, but it may be related to a bug in vf handling that has been resolved 
by now (new version of pdftex coming)

Hans

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