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Fix regression with cursor motion in Magit buffers

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* lisp/simple.el (line-move): Condition movement optimizations on
presence of very long lines.  (Bug#57433)
This commit is contained in:
Eli Zaretskii 2022-08-27 14:06:15 +03:00
parent 6b1ed2f2c9
commit a2d62456a7
1 changed files with 9 additions and 7 deletions
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16
lisp/simple.el
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@ -7717,13 +7717,15 @@ not vscroll."
(not goal-column)
;; Lines aren't truncated.
(not
(or truncate-lines
(and (integerp truncate-partial-width-windows)
(< (window-width)
truncate-partial-width-windows))
(and truncate-partial-width-windows
(not (integerp truncate-partial-width-windows))
(not (window-full-width-p)))))
(and
(or truncate-lines
(and (integerp truncate-partial-width-windows)
(< (window-total-width)
truncate-partial-width-windows))
(and truncate-partial-width-windows
(not (integerp truncate-partial-width-windows))
(not (window-full-width-p))))
(long-line-optimizations-p)))
;; When the text in the window is scrolled to the left,
;; display-based motion doesn't make sense (because each
;; logical line occupies exactly one screen line).