diff options
| -rw-r--r-- | lispref/strings.texi | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/lispref/strings.texi b/lispref/strings.texi index acab7286d0d..7cc182cc058 100644 --- a/lispref/strings.texi +++ b/lispref/strings.texi @@ -379,6 +379,14 @@ or if any new character requires a different number of bytes from the character currently present at that point in @var{string}. @end defun + To clear out a string that contained a password, use +@code{clear-string}: + +@defun clear-string string +This clears the contents of @var{string} to zeros +and may change its length. +@end defun + @need 2000 @node Text Comparison @section Comparison of Characters and Strings @@ -518,13 +526,10 @@ two strings. The sign is negative if @var{string1} (or its specified portion) is less. @end defun -@defun assoc-ignore-case key alist -@defunx assoc-ignore-representation key alist -These functions work like @code{assoc}, except that @var{key} must be -a string, all elements of @var{alist} must be cons cells whose -@sc{car} is a string, and comparison is done using -@code{compare-strings}. @code{assoc-ignore-case} ignores case -differences, whereas @code{assoc-ignore-representation} does not. +@defun assoc-string key alist &optional case-fold +This function works like @code{assoc}, except that @var{key} must be a +string, and comparison is done using @code{compare-strings}. If +@var{case-fold} is non-@code{nil}, it ignores case differences. @xref{Association Lists}. @end defun |