diff options
Diffstat (limited to 'tex/context/base/mkxl/syst-lua.mkxl')
| -rw-r--r-- | tex/context/base/mkxl/syst-lua.mkxl | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/tex/context/base/mkxl/syst-lua.mkxl b/tex/context/base/mkxl/syst-lua.mkxl index 158682399..4b60ee59f 100644 --- a/tex/context/base/mkxl/syst-lua.mkxl +++ b/tex/context/base/mkxl/syst-lua.mkxl @@ -52,18 +52,21 @@ \popoverloadmode %D We can omit the tex.ctxcatcodes here as nowadays we seldom change the regime at -%D the \TEX\ end: +%D the \TEX\ end. Beware: the expression is compiled each time so it is not that +%D efficient. -%def\luaexpr#1{\ctxlua{context (tostring(#1))}} % more efficient: -\permanent\def\luaexpr#1{\ctxlua{tex.print(tostring(#1))}} % no use is shortcutting has to be compiled +% \def\luaexpr #1{\ctxlua {context (tostring(#1))}} % more efficient: +% \permanent\def\luaexpr #1{\ctxlua {tex.print(tostring(#1))}} % no use is shortcutting has to be compiled +\tolerant\permanent\edef\luaexpr[#1]#:#2{\noexpand\cldcontext{\noexpand\iftok{#1}\noexpand\emptytoks\noexpand\else"\letterpercent #1",\noexpand\fi#2}} %D But as we only use write 16 we could as well do all in \LUA\ and ignore the rest. %D Okay, we still can do writes here but only when not blocked. \aliased\let\syst_write_execute\clf_execute % always {...} -%D There is a probably rather useless \type {\expression} command that can mix \LUA\ numeric -%D expressions with \TEX\ commands (for as far that makes sense) that works like this: +%D There is a probably rather useless \type {\expression} command that can mix \LUA\ +%D numeric expressions with \TEX\ commands (for as far that makes sense) that works +%D like this: %D %D \starttyping %D \mathchardef\foooo 1234 |