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Diffstat (limited to 'tex/context/base/math-frc.mkiv')
| -rw-r--r-- | tex/context/base/math-frc.mkiv | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tex/context/base/math-frc.mkiv b/tex/context/base/math-frc.mkiv index f4f3f2b84..7032c665b 100644 --- a/tex/context/base/math-frc.mkiv +++ b/tex/context/base/math-frc.mkiv @@ -106,12 +106,57 @@ \c!rulethickness=.25\exheight, \c!left=0x2E, \c!right=0x2E, + \c!topdistance=, + \c!bottomdistance=, \c!rule=\v!auto] \appendtoks \setuevalue{\currentmathfraction}{\math_frac{\currentmathfraction}}% \to \everydefinemathfraction +% Sometimes users want control over the distances: + +\let\math_fraction_set_distance\relax + +\appendtoks + \math_fraction_set_distance +\to \everymathematics + +\unexpanded\def\math_fraction_set_distance_top + {\Umathfractionnumup \displaystyle\m_math_fraction_distance_top + \relax} + +\unexpanded\def\math_fraction_set_distance_bot + {\Umathfractiondenomdown\displaystyle\m_math_fraction_distance_bot + \relax} + +\unexpanded\def\math_fraction_set_distance_all + {\Umathfractionnumup \displaystyle\m_math_fraction_distance_top + \Umathfractiondenomdown\displaystyle\m_math_fraction_distance_bot + \relax} + +\appendtoks + \ifx\currentmathfraction\empty + \edef\m_math_fraction_distance_top{\mathfractionparameter\c!topdistance}% + \edef\m_math_fraction_distance_bot{\mathfractionparameter\c!bottomdistance}% + \ifx\m_math_fraction_distance_top\empty + \ifx\m_math_fraction_distance_bot\empty + \let\math_fraction_set_distance\relax + \else + \let\math_fraction_set_distance\math_fraction_set_distance_bot + \fi + \else + \ifx\m_math_fraction_distance_bot\empty + \let\math_fraction_set_distance\math_fraction_set_distance_top + \else + \let\math_fraction_set_distance\math_fraction_set_distance_all + \fi + \fi + \fi +\to \everysetupmathfraction + +% So far for control. + \newdimen\d_math_fraction_margin \unexpanded\def\math_frac#1% |