% utf8unkn.tex %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Feb. 6. 2003 Petr Olsak % % This macro sets all others UTF-8 codes (not declared formerly or % later) as "unknown" by encTeX primitives. You need the version % Feb. 2003 of encTeX or later. % % You can re-define the \warntwobytes and \warnthreebytes macros % if you need it. The default value of these macros is that % the black box is typeset and warning is printed by \message % and the unknown code is printed without any change to \write files. \def\setunknowncodes {\bgroup \def\a ##1{\mubyte \warntwobytes ####2 ##1\endmubyte} \a ^^c0 \a ^^c1 \a ^^c2 \a ^^c3 \a ^^c4 \a ^^c5 \a ^^c6 \a ^^c7 \a ^^c8 \a ^^c9 \a ^^ca \a ^^cb \a ^^cc \a ^^cd \a ^^ce \a ^^cf \a ^^d0 \a ^^d1 \a ^^d2 \a ^^d3 \a ^^d4 \a ^^d5 \a ^^d6 \a ^^d7 \a ^^d8 \a ^^d9 \a ^^da \a ^^db \a ^^dc \a ^^dd \a ^^de \a ^^df \def\a ##1{\mubyte \warnthreebytes ####3 ##1\endmubyte} \a ^^e0 \a ^^e1 \a ^^e2 \a ^^e3 \a ^^e4 \a ^^e5 \a ^^e6 \a ^^e7 \a ^^e8 \a ^^e9 \a ^^ea \a ^^eb \a ^^ec \a ^^ed \a ^^ee \a ^^ef \egroup} \mubyte \writeparameter \relax \endmubyte \def\writeparameter{} \def\warntwobytes #1#2{% \ifx\writeparameter\relax % write parameter copies unknown code \noconvert#1\noconvert#2% to output without any change \else \message{WARNING: unknown UTF-8 code: ``\noconvert#1\noconvert#2''}% \leavevmode\hbox{\vrule width.5em height.5em}% \fi} \def\warnthreebytes #1#2#3{\ifx\writeparameter\relax \noconvert#1\noconvert#2\noconvert#3% \else \message{WARNING: unknown UTF-8 code: ``\noconvert#1\noconvert#2\noconvert#3''}% \leavevmode\hbox{\vrule width.5em height.5em}% \fi} \ifx\unknowncodes\relax \endinput \fi % you can \let\unknowncodes\relax % if you don't want to active % the warncodes immediatelly \setunknowncodes \endinput