diff options
Diffstat (limited to 'etc/NEWS')
| -rw-r--r-- | etc/NEWS | 18 |
1 files changed, 10 insertions, 8 deletions
@@ -1115,7 +1115,7 @@ See the 'vc-faces' customization group. *** 'vc-dir-mode' now binds 'vc-log-outgoing' to 'O'; and has various branch-related commands on a keymap bound to 'B'. ---- ++++ *** 'vc-region-history' is now bound to 'C-x v h', replacing the older 'vc-insert-headers' binding. @@ -1364,6 +1364,15 @@ non-nil, but the code returned the list in the increasing order of priority instead. Now the code does what the documentation says it should do. ++++ +** 'format' now avoids allocating a new string in more cases. +'format' was previously documented to return a newly-allocated string, +but this documentation was not correct, as (eq x (format x)) returned +t when x was the empty string. 'format' is no longer documented to +return a newly-allocated string, and the implementation now takes +advantage of the doc change to avoid making copies of strings in +common cases like (format "foo") and (format "%s" "foo"). + --- ** The function 'eldoc-message' now accepts a single argument. Programs that called it with multiple arguments before should pass @@ -1559,13 +1568,6 @@ Emacs integers with %e, %f, or %g conversions. For example, on these hosts (eql N (string-to-number (format "%.0f" N))) now returns t for all Emacs integers N. -+++ -** 'format' is no longer documented to return a newly-allocated string. -This documentation was not correct, as (eq x (format x)) returned t -when x was the empty string. 'format' now takes advantage of the doc -change to avoid making copies of strings in common cases like (format -"foo") and (format "%s" "foo"). - --- ** Calls that accept floating-point integers (for use on hosts with limited integer range) now signal an error if arguments are not |