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Diffstat (limited to 'tex/context/base/mkxl/syst-aux.mkxl')
| -rw-r--r-- | tex/context/base/mkxl/syst-aux.mkxl | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tex/context/base/mkxl/syst-aux.mkxl b/tex/context/base/mkxl/syst-aux.mkxl index 21b1a66ef..fea524bee 100644 --- a/tex/context/base/mkxl/syst-aux.mkxl +++ b/tex/context/base/mkxl/syst-aux.mkxl @@ -216,7 +216,17 @@ %D Reserved macros for tests: -\aliased\let\donothing\empty +%D A \type \type {\let} is more efficient than a \type {\def} so we often let something +%D to relax or do nothing. However, we then loose the name in tracing. For that we now +%D have \type {\lettonothing \foo} which is efficient but also keeps the name. Of course +%D this is no solution for commands that take arguments but at least it helps tracing a +%D bit. We keep of course \type {\donothing}. + +%D Maybe even nicer is a let that aliases but keeps the name. + +% \aliased\let\donothing\empty + \immutable\def\donothing {} % better in tracing +%untraced\immutable\def\untraceddonothing{} \let\m_syst_string_one \empty \let\m_syst_string_two \empty |