Tiny doc clarification for create-fontset-from-fontset-spec

* lisp/international/fontset.el (create-fontset-from-fontset-spec):
Clarify what the optional part is (bug#18686).

(cherry picked from commit c05d186455ce9907eeb6b21ea4227e453996c681)

diff --git a/lisp/international/fontset.el b/lisp/international/fontset.el
index 90905a2ade9a3fa4b814228569915f432b0e08c6..612c0a08ad7db51d5e656e9e02fbef284f886fb6 100644 (file)
--- a/lisp/international/fontset.el
+++ b/lisp/international/fontset.el
@@ -1259,7 +1259,7 @@ to map charsets to scripts.")
                                         &optional _style-variant _noerror)
   "Create a fontset from fontset specification string FONTSET-SPEC.
 FONTSET-SPEC is a string of the format:
-       FONTSET-NAME,SCRIPT-NAME0:FONT-NAME0,SCRIPT-NAME1:FONT-NAME1, ...
+       FONTSET-NAME[,SCRIPT-NAME0:FONT-NAME0,SCRIPT-NAME1:FONT-NAME1] ...
 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
 
 When a frame uses the fontset as the `font' parameter, the frame's