1 files changed, 20 insertions, 5 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/math-frc.mkiv b/Master/texmf-dist/tex/context/base/mkiv/math-frc.mkiv
index 97107a6bf91..1b0149f96b4 100644
--- a/Master/texmf-dist/tex/context/base/mkiv/math-frc.mkiv
+++ b/Master/texmf-dist/tex/context/base/mkiv/math-frc.mkiv
@@ -361,10 +361,12 @@
 
 \unexpanded\def\xfrac#1#2{\normalxfrac{\let\xfrac\xxfrac#1}{\let\xfrac\xxfrac#2}}
 
-%D Spacing:
+%D Spacing (sensitive for definition of \triggermathstyle:
 
-\unexpanded\def\nomathfractiongaps     {\normalexpanded{\math_no_fraction_gaps     \triggermathstyle\mathstyle}} % maybe collect settings
-\unexpanded\def\overlaymathfractiongaps{\normalexpanded{\math_overlay_fraction_gaps\triggermathstyle\mathstyle}} % maybe collect settings
+% \ifcase\contextlmtxmode
+
+\unexpanded\def\nomathfractiongaps     {\normalexpanded{\math_no_fraction_gaps     \mathstyletrigger\mathstyle}} % maybe collect settings
+\unexpanded\def\overlaymathfractiongaps{\normalexpanded{\math_overlay_fraction_gaps\mathstyletrigger\mathstyle}} % maybe collect settings
 
 \unexpanded\def\math_no_fraction_gaps#1%
   {\Umathfractionnumup    #1\zeropoint
@@ -377,6 +379,21 @@
    \Umathfractiondenomvgap#1\zeropoint
    \Umathfractiondenomdown#1\zeropoint}
 
+% \else
+
+% \unexpanded\def\math_no_fraction_gaps
+%   {\Umathfractionnumup    \mathstyle\zeropoint
+%    \Umathfractiondenomdown\mathstyle\zeropoint}
+%
+% \unexpanded\def\math_overlay_fraction_gaps
+%   {\Umathfractionnumup    \mathstyle\zeropoint
+%    \Umathfractionnumvgap  \mathstyle\zeropoint
+%    %Umathfractionrule     \mathstyle\zeropoint
+%    \Umathfractiondenomvgap\mathstyle\zeropoint
+%    \Umathfractiondenomdown\mathstyle\zeropoint}
+
+% \fi
+
 \installcorenamespace{mathfractiondistance}
 
 \letvalue{\??mathfractiondistance\v!none   }\nomathfractiongaps
@@ -613,8 +630,6 @@
 
 %D More fracking (for Alan):
 
-\def\s!vfrac{vfrac}
-
 \unexpanded\def\math_frac_colored_vulgar#1#2%
   {\savecolor
    \colo_helpers_activate\p_math_fractions_color