diff options
Diffstat (limited to 'tex/context/base/mkxl/math-ini.mkxl')
| -rw-r--r-- | tex/context/base/mkxl/math-ini.mkxl | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/tex/context/base/mkxl/math-ini.mkxl b/tex/context/base/mkxl/math-ini.mkxl index d13c2447c..29af7a659 100644 --- a/tex/context/base/mkxl/math-ini.mkxl +++ b/tex/context/base/mkxl/math-ini.mkxl @@ -51,7 +51,9 @@ \unprotect -%D We move these definitions into the format: +\newdimen\mathstrutht +\newdimen\mathstrutdp +\newcount\mathnestinglevel \registerctxluafile{math-ini}{autosuffix} \registerctxluafile{math-dim}{autosuffix} @@ -720,7 +722,7 @@ %D %D \start \blank \getbuffer \blank \stop -\newcount\mathnestinglevel +% \newcount\mathnestinglevel % see top \appendtoks \advance\mathnestinglevel\plusone @@ -1864,8 +1866,8 @@ \permanent\protected\def\topstrut{\srule\s!width\zeropoint\s!height\strutht \s!depth\zeropoint\relax} \permanent\protected\def\botstrut{\srule\s!width\zeropoint\s!height\zeropoint\s!depth\strutdp \relax} -\newdimen\mathstrutht -\newdimen\mathstrutdp +% \newdimen\mathstrutht % see top +% \newdimen\mathstrutdp % see top \appendtoks \mathstrutht\strutht @@ -4368,6 +4370,27 @@ \permanent\tolerant\protected\def\setmathgroupset[#1]% {\mathdictgroup\clf_groupsetgroup{#1}\relax} +%D Only for testing (limited line span): +%D +%D \starttyping +%D test \im {z + \mathaxisbelow x + 2 - a = 1} test \par +%D test \im {z + \mathaxisontop x + 2 - a = 1} test +%D \stoptyping + +\definesystemattribute[mathaxis][public] + +\def\math_axis_inject#1% + {\mathatom \s!class \mathghostcode \s!unpack { + \showmakeup[strut]% todo: shortcut + \srule + \s!height \dimexpr\Umathaxis\mathstyle+.2\points\relax + \s!depth -\dimexpr\Umathaxis\mathstyle-.2\points\relax + \s!attr \mathaxisattribute #1% + \relax}} + +\permanent\protected\def\mathaxisbelow{\math_axis_inject\plusone} +\permanent\protected\def\mathaxisontop{\math_axis_inject\plustwo} + \protect \endinput % % not used (yet) |