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-rw-r--r--src/fns.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/fns.c b/src/fns.c
index 26443215a54..9c540948c5d 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -940,7 +940,9 @@ string_make_unibyte (string)
DEFUN ("string-make-multibyte", Fstring_make_multibyte, Sstring_make_multibyte,
1, 1, 0,
- "Return the multibyte equivalent of STRING.")
+ "Return the multibyte equivalent of STRING.\n\
+The function `unibyte-char-to-multibyte' is used to convert\n\
+each unibyte character to a multibyte character.")
(string)
Lisp_Object string;
{
@@ -949,7 +951,9 @@ DEFUN ("string-make-multibyte", Fstring_make_multibyte, Sstring_make_multibyte,
DEFUN ("string-make-unibyte", Fstring_make_unibyte, Sstring_make_unibyte,
1, 1, 0,
- "Return the unibyte equivalent of STRING.")
+ "Return the unibyte equivalent of STRING.\n\
+Multibyte character codes are converted to unibyte\n\
+by using just the low 8 bits.")
(string)
Lisp_Object string;
{