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| author | Hans Hagen <pragma@wxs.nl> | 2021-03-21 22:04:41 +0100 |
|---|---|---|
| committer | Context Git Mirror Bot <phg@phi-gamma.net> | 2021-03-21 22:04:41 +0100 |
| commit | cb28e8807d7908cc9644c2bd77c9d214dd8caefe (patch) | |
| tree | 8865d48126fcb896a21252a42ea679ef6d867973 /doc/context/sources/general/manuals/luametatex | |
| parent | 9fed721832d90d94caa292b8e6b7f22c88d03c3b (diff) | |
| download | context-cb28e8807d7908cc9644c2bd77c9d214dd8caefe.tar.gz | |
2021-03-21 21:08:00
Diffstat (limited to 'doc/context/sources/general/manuals/luametatex')
| -rw-r--r-- | doc/context/sources/general/manuals/luametatex/luametatex-callbacks.tex | 19 | ||||
| -rw-r--r-- | doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex | 5 |
2 files changed, 24 insertions, 0 deletions
diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-callbacks.tex b/doc/context/sources/general/manuals/luametatex/luametatex-callbacks.tex index d8e98efa2..f599ac96b 100644 --- a/doc/context/sources/general/manuals/luametatex/luametatex-callbacks.tex +++ b/doc/context/sources/general/manuals/luametatex/luametatex-callbacks.tex @@ -719,6 +719,25 @@ font structure. Setting this callback to \type {false} is pointless as it will prevent font loading completely but will nevertheless generate errors. +\subsection{\cbk {show+whatsit}} + +\topicindex{callbacks+whatsits} + +Because we only have a generic whatsit it is up to the macro package to provide +details when tracing them. + +\startfunctioncall +function(<node> whatsit, <number> indentation, + <number> tracinglevel, <number> currentlevel, <number> inputlevel) + -- no return value +end +\stopfunctioncall + +The indentation tells how many periods are to be typeset if you want to be +compatible with the rest of tracing. The tracinglevels indicates if the current +level and\|/or input level are shown cf. \lpr {tracinglevels}. Of course one +is free to show whatever in whatever way suits the whatsit best. + \stopsection \stopchapter diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex b/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex index 947b2320a..8a1466301 100644 --- a/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex +++ b/doc/context/sources/general/manuals/luametatex/luametatex-enhancements.tex @@ -1543,6 +1543,11 @@ related primitives. If \prm {tracingonline} is larger than~2, the node list display will also print the node number of the nodes. +When bit~1 of \lpr {tracinglevels} is set the current level is prepended to +tracing lines in the log and when bit~2 is set the input level is prepended. You +can set both bits and get both numbers prepended. In \CONTEXT\ we default to +the value~3, so you get prefixes like \type {3:4:} followed by a space. + \stopsubsection % \startsubsection[title={\lpr {lastnodetype}, \lpr {lastnodesubtype}, \lpr |