diff options
Diffstat (limited to 'tex/context/base/math-del.mkiv')
| -rw-r--r-- | tex/context/base/math-del.mkiv | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/tex/context/base/math-del.mkiv b/tex/context/base/math-del.mkiv index b6579cc93..569b4cd3d 100644 --- a/tex/context/base/math-del.mkiv +++ b/tex/context/base/math-del.mkiv @@ -27,22 +27,24 @@ %D \fakerightdelimiter %D \stoptyping -\newcount\delimitercount +% Actually we can do better now with lua hacks. -\def\leftfakedelimiter {\advance\delimitercount\minusone\gobbleoneargument}% -\def\rightfakedelimiter{\advance\delimitercount\plusone \gobbleoneargument}% +\newcount\c_math_delimiter_nesting + +\def\leftfakedelimiter {\advance\c_math_delimiter_nesting\minusone\gobbleoneargument} +\def\rightfakedelimiter{\advance\c_math_delimiter_nesting\plusone \gobbleoneargument} \def\checkdelimiters#1% - {\delimitercount\zerocount + {\c_math_delimiter_nesting\zerocount \setbox\scratchbox\hbox\bgroup \let\left \leftfakedelimiter \let\right\rightfakedelimiter $#1\expandafter$\expandafter \egroup - \expandafter\delimitercount\the\delimitercount\relax} + \expandafter\c_math_delimiter_nesting\the\c_math_delimiter_nesting\relax} -\def\fakeleftdelimiter {\ifnum\delimitercount>\zerocount\left .\fi} -\def\fakerightdelimiter{\ifnum\delimitercount<\zerocount\right.\fi} +\def\fakeleftdelimiter {\ifnum\c_math_delimiter_nesting>\zerocount\left .\fi} +\def\fakerightdelimiter{\ifnum\c_math_delimiter_nesting<\zerocount\right.\fi} %D The following macros are used in the MathML interpreter, so %D there is a good change of them never being documented for @@ -51,11 +53,11 @@ \let\normalordelimiter\secondoftwoarguments \let\normalorfiller \firstoftwoarguments -\def\enabledelimiter {\let\normalordelimiter\secondoftwoarguments} -\def\disabledelimiter{\let\normalordelimiter\firstoftwoarguments} +\unexpanded\def\enabledelimiter {\let\normalordelimiter\secondoftwoarguments} +\unexpanded\def\disabledelimiter{\let\normalordelimiter\firstoftwoarguments} -\def\enablefiller {\let\normalorfiller\secondoftwoarguments} -\def\disablefiller {\let\normalorfiller\firstoftwoarguments} +\unexpanded\def\enablefiller {\let\normalorfiller\secondoftwoarguments} +\unexpanded\def\disablefiller {\let\normalorfiller\firstoftwoarguments} \def\mathopnolimits#1{\mathop{\mr#1}\nolimits} % was \rm, which follows text fonts (used in mml parser) \def\mathopdolimits#1{\mathop{\mr#1}} % was \rm, which follows text fonts (used in mml parser) |