; * lisp/subr.el (string-suffix-p, string-prefix-p): Doc fix.

1 files changed, 8 insertions, 4 deletions

diff --git a/lisp/subr.el b/lisp/subr.el
index ce23a699624..426e8145cae 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -5494,9 +5494,11 @@ See also `string-equal'."
   (eq t (compare-strings string1 0 nil string2 0 nil t)))
 
 (defun string-prefix-p (prefix string &optional ignore-case)
-  "Return non-nil if PREFIX is a prefix of STRING.
+  "Return non-nil if STRING begins with PREFIX.
+PREFIX should be a string; the function returns non-nil if the
+characters at the beginning of STRING compare equal with PREFIX.
 If IGNORE-CASE is non-nil, the comparison is done without paying attention
-to case differences."
+to letter-case differences."
   (declare (pure t) (side-effect-free t))
   (let ((prefix-length (length prefix)))
     (if (> prefix-length (length string)) nil
@@ -5504,9 +5506,11 @@ to case differences."
                              0 prefix-length ignore-case)))))
 
 (defun string-suffix-p (suffix string  &optional ignore-case)
-  "Return non-nil if SUFFIX is a suffix of STRING.
+  "Return non-nil if STRING ends with SUFFIX.
+SUFFIX should be a string; the function returns non-nil if the
+characters at end of STRING compare equal with SUFFIX.
 If IGNORE-CASE is non-nil, the comparison is done without paying
-attention to case differences."
+attention to letter-case differences."
   (declare (pure t) (side-effect-free t))
   (let ((start-pos (- (length string) (length suffix))))
     (and (>= start-pos 0)