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| author | Hans Hagen <pragma@wxs.nl> | 2021-07-30 01:27:40 +0200 |
|---|---|---|
| committer | Context Git Mirror Bot <phg@phi-gamma.net> | 2021-07-30 01:27:40 +0200 |
| commit | 6db2cd924d26ade933812f90701343f06c8653f2 (patch) | |
| tree | 5aaa37e6fe8e03b827c60a81f66700fde3b971e9 /doc/context/sources/general/manuals/luatex/luatex-modifications.tex | |
| parent | df12f144a2cb09cec29a95df26bdfc5ccad58aff (diff) | |
| download | context-6db2cd924d26ade933812f90701343f06c8653f2.tar.gz | |
2021-07-30 00:43:00
Diffstat (limited to 'doc/context/sources/general/manuals/luatex/luatex-modifications.tex')
| -rw-r--r-- | doc/context/sources/general/manuals/luatex/luatex-modifications.tex | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/context/sources/general/manuals/luatex/luatex-modifications.tex b/doc/context/sources/general/manuals/luatex/luatex-modifications.tex index 7cb14a18f..98f441c41 100644 --- a/doc/context/sources/general/manuals/luatex/luatex-modifications.tex +++ b/doc/context/sources/general/manuals/luatex/luatex-modifications.tex @@ -509,7 +509,7 @@ opened it up. \startsubsection[title=Changes from anywhere] -The \tyep {\partokenname} and \type {\partokencontext} primitives are taken from +The \type {\partokenname} and \type {\partokencontext} primitives are taken from the \PDFTEX\ change file posted on the implementers list. They are explained in the \PDFTEX\ manual and are classified as \ETEX\ extensions. @@ -1137,6 +1137,14 @@ kerns, should be handled in the input or macro package because there is no way w can predict the expected behaviour. In fact, the \lpr {linedir} is just a convenience extra which could also have been implemented using node list parsing. +Directions are complicated by the fact that they often need to work over groups +so a separate grouping related stack is used. A side effect is that there can be +paragraphs with only a local par node followed by direction synchronization +nodes. Paragraphs like that are seen as empty paragraphs and therefore ignored. +Because \type {\noindent} doesn't inject anything but a \type {\indent} injects +an box, paragraphs with only an indent and directions are handles ad paragraphs +with content. + \stopsubsection \startsubsection[title={Controlling glue with \lpr {breakafterdirmode}}] |