diff options
Diffstat (limited to 'doc/expert/pre_yuni')
| -rw-r--r-- | doc/expert/pre_yuni | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/expert/pre_yuni b/doc/expert/pre_yuni index 7b06b5d..cd5dd17 100644 --- a/doc/expert/pre_yuni +++ b/doc/expert/pre_yuni @@ -1,5 +1,5 @@ @Section - @Title { "@YUnit" and "@ZUnit" } + @Title { "@YUnit", "@ZUnit", "@CurrYUnit", and "@CurrZUnit" } @Tag { yunit } @Begin @PP @@ -21,6 +21,13 @@ but it may begin with @Code "+" or @Code "-" to indicate that value is to be added to or subtracted from the current value. Any negative result of using @Code "-" will be silently replaced by zero. @PP +The @@CurrYUnit and @@CurrZUnit symbols report the value of the @Code y +and @Code z units, in points, truncated to the nearest integer. For example, +@ID @Code "1i @YUnit { The current value of the y unit is @CurrYUnit }" +produces +@ID @Code "1i @YUnit { The current value of the y unit is @CurrYUnit }" +since there are 72 points in one inch (at least, Lout thinks there are). +@PP These units are not used internally by Lout. They are supplied as part of the style information for the convenience of application packages. For example, the Eq equation formatting package uses them |