diff options
Diffstat (limited to 'tex/context/base/mult-aux.mkiv')
| -rw-r--r-- | tex/context/base/mult-aux.mkiv | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tex/context/base/mult-aux.mkiv b/tex/context/base/mult-aux.mkiv index 97b330248..763ae9605 100644 --- a/tex/context/base/mult-aux.mkiv +++ b/tex/context/base/mult-aux.mkiv @@ -798,7 +798,7 @@ \expandafter\mult_interfaces_show_parent_chain\csname#1:\s!parent\endcsname \fi} -%D Another helper: +%D Another helper (needs to be applied): \unexpanded\def\doifelsecommandhandler#1#2% namespace name {\ifcsname#1#2:\s!parent\endcsname @@ -823,6 +823,23 @@ \let\doifcommandhandlerelse\doifelsecommandhandler +% another helper: +% +% \def\math_frac_alternative +% {\expandnamespaceparameter\??mathfractionalternative\mathfractionparameter\c!alternative\v!inner} +% +% \def\expandnamespaceparameter#1#2#3% \??xx \yyparameter \c!aa \c!bb +% {\expandafter\expandafter\expandafter\mult_aux_expand_namespace_parameter\expandafter\expandafter\expandafter#1#2#3} +% +% \def\mult_aux_expand_namespace_parameter#1#2#3% +% {\csname#1\ifcsname#1#2\endcsname#2\else#3\fi\endcsname} + +\def\expandnamespaceparameter#1#2#3% \??xx \getp \c!xx \c!yy + {\csname#1\ifcsname#1\expandafter\expandafter\expandafter\mult_aux_expand_namespace_parameter#2#3} + +\def\mult_aux_expand_namespace_parameter#1#2% \cs \c!yy + {#1\endcsname#1\else#2\fi\endcsname} + %D Conventions: %D %D \starttyping |