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| author | Jeffrey H. Kingston <jeff@it.usyd.edu.au> | 2010-09-14 20:38:23 +0000 |
|---|---|---|
| committer | Jeffrey H. Kingston <jeff@it.usyd.edu.au> | 2010-09-14 20:38:23 +0000 |
| commit | 78c2bcf9e96ab00615ee6f96905bca78fcd52a00 (patch) | |
| tree | 9c7e31f2a59e174433e55b589771005b48a34158 /doc/expert/pre_head | |
| parent | 9daa98ce90ceeeaba9e942d28575d8fcfe36db4b (diff) | |
| download | lout-78c2bcf9e96ab00615ee6f96905bca78fcd52a00.tar.gz | |
Lout 3.27.
git-svn-id: http://svn.savannah.nongnu.org/svn/lout/trunk@23 9365b830-b601-4143-9ba8-b4a8e2c3339c
Diffstat (limited to 'doc/expert/pre_head')
| -rw-r--r-- | doc/expert/pre_head | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/expert/pre_head b/doc/expert/pre_head index 14e2871..e8779aa 100644 --- a/doc/expert/pre_head +++ b/doc/expert/pre_head @@ -110,4 +110,15 @@ terminated by the start of the range of the next. All four symbols yield the value @@Null where they appear. If they do not occupy entire components of their galley, they are silently ignored. +@PP +Owing to limitations in the way header components are implemented, the +following object types are not allowed inside them, and Basser Lout will +complain and quit if it finds any of them: galleys, receptive or +recursive symbols, cross references, @@PageLabel, @@HExpand, @@VExpand, +@@HCover, @@VCover, and @@Scale when it has an empty left parameter. +In addition, if more than three copies of the same running header are +printed on the same page, their horizontal positions will become +confused, probably resulting in the apparent disappearance of all but the +last three copies. (The magic number 3 can be increased by recompiling +the Lout source with the @F MAX_HCOPIES constant increased.) @End @Section |