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author | Michael Brand <michael.ch.brand@gmail.com> | 2012-08-24 19:46:49 +0200 |
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committer | Bastien Guerry <bzg@altern.org> | 2012-08-24 19:53:04 +0200 |
commit | efab5633179d1d26ee44f12c2515f4983e3a6cdd (patch) | |
tree | 254c779b7f7c79670304ff2f80b8824f4f4a8f32 | |
parent | e39299d82232bf7c3b3e5d0a55afdf2146e7f1bd (diff) | |
download | org-mode-efab5633179d1d26ee44f12c2515f4983e3a6cdd.tar.gz |
org.texi: Mention when a table header is mandatory
* org.texi (Column formulas): Add a sentence to be more explicit about
when a table header is mandatory.
-rw-r--r-- | doc/org.texi | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/doc/org.texi b/doc/org.texi index c33b5a9..cf0656c 100644 --- a/doc/org.texi +++ b/doc/org.texi @@ -2770,10 +2770,13 @@ Named field, see @ref{Advanced features}. When you assign a formula to a simple column reference like @code{$3=}, the same formula will be used in all fields of that column, with the following very convenient exceptions: (i) If the table contains horizontal separator -hlines, everything before the first such line is considered part of the table -@emph{header} and will not be modified by column formulas. (ii) Fields that -already get a value from a field/range formula will be left alone by column -formulas. These conditions make column formulas very easy to use. +hlines with rows above and below, everything before the first such hline is +considered part of the table @emph{header} and will not be modified by column +formulas. Therefore a header is mandatory when you use column formulas and +want to add hlines to group rows, like for example to separate a total row at +the bottom from the summand rows above. (ii) Fields that already get a value +from a field/range formula will be left alone by column formulas. These +conditions make column formulas very easy to use. To assign a formula to a column, type it directly into any field in the column, preceded by an equal sign, like @samp{=$1+$2}. When you press |