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| -rw-r--r-- | lispref/calendar.texi | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/lispref/calendar.texi b/lispref/calendar.texi index 661e638fe7e..851155fb38c 100644 --- a/lispref/calendar.texi +++ b/lispref/calendar.texi @@ -774,7 +774,7 @@ can use @end smallexample @noindent -and your diary will show +and the fancy diary will show @smallexample Ruth & Ed's anniversary @end smallexample @@ -792,14 +792,42 @@ example, @end smallexample @noindent -causes your diary to show +causes the fancy diary to show @smallexample Rake leaves @end smallexample @noindent -on October 22, November 22, and December 22 of any year. +on October 22, November 22, and December 22 of every year. + +@findex diary-float + The function @code{diary-float} allows you to describe diary entries +that apply to dates like the third Friday of November, or the last +Tuesday in April. The parameters are the @var{month}, @var{dayname}, +and an index @var{n}. The entry appears on the @var{n}th @var{dayname} +of @var{month}, where @var{dayname}=0 means Sunday, 1 means Monday, and +so on. If @var{n} is negative it counts backward from the end of +@var{month}. The value of @var{month} can be a list of months, a single +month, or @code{t} to specify all months. You can also use an optional +parameter @var{day} to specify the @var{n}th @var{dayname} of +@var{month} on or after/before @var{day}; the value of @{day} defaults +to 1 if @var{n} is positive and to the last day of @var{month} if +@var{n} is negative. For example, + +@smallexample +%%(diary-float t 1 -1) Pay rent +@end smallexample + +@noindent +causes the fancy diary to show + +@smallexample +Pay rent +@end smallexample + +@noindent +on the last Monday of every month. The generality of sexp diary entries lets you specify any diary entry that you can describe algorithmically. A sexp diary entry contains an |