mirror/emacs
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-11-22 07:09:54 +00:00
Code Issues Releases Activity

Amend doc of `mapconcat': it can take sequences, not merely strings.

Browse Source 
* doc/lispref/functions.texi (Mapping Functions): Amend the doc of `mapconcat'
to say that SEPARATOR and the results from FUNCTION may be any character
sequences, not just strings.  Add an @xref to "Sequences Arrays Vectors".
This commit is contained in:
Alan Mackenzie 2015-12-07 10:39:07 +00:00
parent 72c20d0be8
commit f5c403d269
1 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
doc/lispref/functions.texi
View File

@ -861,15 +861,18 @@ into a list. @code{mapc} always returns @var{sequence}.
@defun mapconcat function sequence separator
@code{mapconcat} applies @var{function} to each element of
@var{sequence}: the results, which must be strings, are concatenated.
Between each pair of result strings, @code{mapconcat} inserts the string
@var{separator}. Usually @var{separator} contains a space or comma or
other suitable punctuation.
@var{sequence}; the results, which must be sequences of characters
(strings, vectors, or lists), are concatenated into a single string
return value. Between each pair of result sequences, @code{mapconcat}
inserts the characters from @var{separator}, which also must be a
string, or a vector or list of characters. @xref{Sequences Arrays
Vectors}.
The argument @var{function} must be a function that can take one
argument and return a string. The argument @var{sequence} can be any
kind of sequence except a char-table; that is, a list, a vector, a
bool-vector, or a string.
argument and returns a sequence of characters: a string, a vector, or
a list. The argument @var{sequence} can be any kind of sequence
except a char-table; that is, a list, a vector, a bool-vector, or a
string.
@example
@group