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; * etc/NEWS: Tweak a recently-added NEWS entry.

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Eli Zaretskii 2018-06-17 08:22:23 +03:00
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@ -518,14 +518,21 @@ names" in the Tramp manual for full documentation of these facilities.
* Incompatible Lisp Changes in Emacs 27.1
+++
** Theme settings generally aren't actually applied until a call to
`enable-theme-, either one made explicitly or implicitly through
`load-theme' with NO-ENABLE nil. This change has the effect of not
applying theme changes just because we load a lisp file containing a
theme specification. The previous behavior is preserved for the
special case of the `user' theme, which is frequently used for
ad-hoc customization.
---
** Just loading a theme's file no longer activates the theme's settings.
Loading a theme with 'M-x load-theme' still activates the theme, as it
did before. However, loading the theme's file with "M-x load-file",
or using 'require' or 'load' in a Lisp program, doesn't actually apply
the theme's settings until you either invoke 'M-x enable-theme' or
type 'M-x load-theme'. (In a Lisp program, calling 'enable-theme' or
invoking 'load-theme' with NO-ENABLE argument omitted or nil has the
same effect of activating a theme whose file has been loaded.) The
special case of the 'user' theme is an exception: it is frequently
used for ad-hoc customizations, so the settings of that theme are by
default applied immediately.
The variable 'custom--inhibit-theme-enable' controls this behavior;
its default value changed in Emacs 27.1.
** The 'repetitions' argument of 'benchmark-run' can now also be a variable.
** The FILENAME argument to 'file-name-base' is now mandatory and no