Hi,
http://210.94.201.157/~nomos/KTUG/context-korean-test.tar.gz (3.4Mb)
Recently I have tried to support typesetting UTF-8 Korean document
under ConTeXt.
In the course of that trying, I found some possible bugs of recent
ConTeXt beta.
You can see most of the bugs (or missing features) I found in the file
named `testme.tex',
which is contained in the tarball linked above.
For those who do not want to download that large tarball,
I here replicate those bugs or missing features:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% should be added to unic-cjk.tex
% Hangul Syllables
\dostepwiserecurse{172}{215}{1}{\expanded{\defineunicodecommand {\recurselevel}}
{\lookaheaduchar}}
% CJK Compatibility Ideographs
\dostepwiserecurse{249}{250}{1}{\expanded{\defineunicodecommand {\recurselevel}}
{\lookaheaduchar}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% modify \enableunicodefont in font-uni.tex
\def\enableunicodefont#1%
{\definefontsynonym[\s!Unicode][\getvalue{\??uc#1\c!file}]%
\def\unicodescale {\getvalue{\??uc#1\c!scale}}%
\def\unicodeheight {\getvalue{\??uc#1\c!height}}%
\def\unicodedepth {\getvalue{\??uc#1\c!depth}}%
\def\unicodedigits {\getvalue{\??uc#1\c!conversion}}%
\def\handleunicodeglyph {\getvalue{\??uc#1\c!command}}%
\doifnot\currentregime{utf}{\enableregime[unicode]}%
% the following \relax's are realy needed
\doifvalue{\??uc#1\c!interlinespace}\v!yes
\setupinterlinespace\relax
\doifvalue{\??uc#1\c!strut}\v!yes
{\setunicodestrut\unicodeheight\unicodedepth}% <- `%' inserted by nomos
{\resetunicodestrut}%
\getvalue{\??uc#1\c!commands}\relax}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% modify \sanitizePDFuniencoding in spec-tst.tex
\long\def\sanitizePDFuniencoding#1\to#2%
{\enablePDFunicrlf
\simplifycommands % <- this line inserted by nomos
\let\unicodechar\relax % prevent further expansion
\retainlccodes\lccode32=255 % slooow
\lowercasestring\PDFunicodetrigger#1\to#2%
\edef#2{\expandafter\doPDFuni#2\empty\empty}} % slooow
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% modify mps file insertion code in spec-dpx.tex
\definefileinsertion{dpx}{mps} % tpd -> dpx modified by nomos
{\hbox
{\convertMPtoPDF\@@DriverImageFile{1}{1}%
\global\let\PDFimagereference\empty}}
Certainly, the last is not problem confined to Hangul typesetting.
As you know, however, CJK peoples do use heavily dvipdfmx to obtain PDF.
Anyway, I hope these four files be modified in the near future.
In addition, when I compiled LaTeX2ConTeXt.tex by Berend de Boer
( http://www.berenddeboer.net/tex/LaTeX2ConTeXt.tex ),
I found there being inserted unintended large vertical whitespace
in page 27 of resulting PDF.
Though it seems to be a bug related to \setupbackground,
I could not find the cause of problem as the code related to that command
is too complicated for me.
--
Dohyun Kim
http://people.ktug.or.kr/~nomos/
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