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* etc/NEWS: Note dotimes loop variable scoping change (bug#63586)

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Mattias Engdegård 2023-05-20 10:50:25 +02:00
parent cec9333dc5
commit f49fe936ab
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etc/NEWS
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@ -3871,6 +3871,19 @@ The following generalized variables have been made obsolete:
'standard-case-table', 'syntax-table', 'visited-file-modtime',
'window-height', 'window-width', and 'x-get-secondary-selection'.
---
** The 'dotimes' loop variable can no longer be manipulated in loop body
Previously, the 'dotimes' loop counter could be modified inside the
loop body, but only in code using dynamic binding. Now the behaviour
is the same as when using lexical binding: changes to the loop
variable has no effect on subsequent iterations. That is,
(dotimes (i 10)
(print i)
(setq i (+ i 6)))
now always prints the numbers 0 .. 9.
* Lisp Changes in Emacs 29.1