diff options
Diffstat (limited to 'src/fns.c')
| -rw-r--r-- | src/fns.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/fns.c b/src/fns.c index 5126439fd66..76c76c92ba9 100644 --- a/src/fns.c +++ b/src/fns.c @@ -322,7 +322,7 @@ Letter-case is significant, but text properties are ignored. */) USE_SAFE_ALLOCA; ptrdiff_t *column = SAFE_ALLOCA ((len1 + 1) * sizeof (ptrdiff_t)); - for (y = 1; y <= len1; y++) + for (y = 0; y <= len1; y++) column[y] = y; if (use_byte_compare) @@ -672,6 +672,9 @@ DEFUN ("concat", Fconcat, Sconcat, 0, MANY, 0, doc: /* Concatenate all the arguments and make the result a string. The result is a string whose elements are the elements of all the arguments. Each argument may be a string or a list or vector of characters (integers). + +Values of the `composition' property of the result are not guaranteed +to be `eq'. usage: (concat &rest SEQUENCES) */) (ptrdiff_t nargs, Lisp_Object *args) { @@ -1174,7 +1177,7 @@ string_make_multibyte (Lisp_Object string) /* Convert STRING (if unibyte) to a multibyte string without changing - the number of characters. Characters 0200 trough 0237 are + the number of characters. Characters 0200 through 0237 are converted to eight-bit characters. */ Lisp_Object @@ -2852,12 +2855,16 @@ mapcar1 (EMACS_INT leni, Lisp_Object *vals, Lisp_Object fn, Lisp_Object seq) return leni; } -DEFUN ("mapconcat", Fmapconcat, Smapconcat, 3, 3, 0, +DEFUN ("mapconcat", Fmapconcat, Smapconcat, 2, 3, 0, doc: /* Apply FUNCTION to each element of SEQUENCE, and concat the results as strings. In between each pair of results, stick in SEPARATOR. Thus, " " as SEPARATOR results in spaces between the values returned by FUNCTION. + SEQUENCE may be a list, a vector, a bool-vector, or a string. -SEPARATOR must be a string, a vector, or a list of characters. + +Optional argument SEPARATOR must be a string, a vector, or a list of +characters; nil stands for the empty string. + FUNCTION must be a function of one argument, and must return a value that is a sequence of characters: either a string, or a vector or list of numbers that are valid character codepoints. */) @@ -2950,8 +2957,10 @@ do_yes_or_no_p (Lisp_Object prompt) DEFUN ("yes-or-no-p", Fyes_or_no_p, Syes_or_no_p, 1, 1, 0, doc: /* Ask user a yes-or-no question. Return t if answer is yes, and nil if the answer is no. -PROMPT is the string to display to ask the question. It should end in -a space; `yes-or-no-p' adds \"(yes or no) \" to it. + +PROMPT is the string to display to ask the question; `yes-or-no-p' +adds \"(yes or no) \" to it. It does not need to end in space, but if +it does up to one space will be removed. The user must confirm the answer with RET, and can edit it until it has been confirmed. |