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; Add more detail to exchange-point-and-mark docstring

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It didn't mention that exchange-point-and-mark-highlight-region
affects C-u C-x C-x too.
This commit is contained in:
Sean Whitton 2025-03-12 11:56:13 +08:00
parent ad57fbc58f
commit cd1defc441
1 changed files with 9 additions and 4 deletions
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13
lisp/simple.el
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@ -7470,10 +7470,15 @@ This variable has no effect when Transient Mark mode is off."
This command works even when the mark is not active, and it reactivates
the mark unless `exchange-point-and-mark-highlight-region' is nil.
If Transient Mark mode is on, a prefix ARG deactivates the mark
if it is active, and otherwise avoids reactivating it. If
Transient Mark mode is off, a prefix ARG enables Transient Mark
mode temporarily."
If Transient Mark mode is on, a prefix ARG deactivates the mark if it is
active, and otherwise avoids reactivating it. However, if
`exchange-point-and-mark-highlight-region' is nil, then using a prefix
argument does reactivate the mark; effectively, when Transient Mark mode
is on, setting `exchange-point-and-mark-highlight-region' to nil swaps
the meanings of the presence and absence of a prefix argument.
If Transient Mark mode is off, a prefix ARG enables Transient Mark mode
temporarily."
(interactive "P")
(let ((omark (mark t))
(region-was-active (region-active-p))