forked from mirrors/org-mode
Fix org-src-edit interaction with undo.
* org-src.el (org-edit-src-exit): Place an undo boundary before writing changes back to parent buffer. The previous code attempted to preserve the undo information in the indirect buffer editing the source code, but this interacts poorly with the undo system, and can lead to undo operations scrambling the buffer. The new approach means that edits made in the indirect buffer cannot be undone piece-by-piece (instead, all changes made in the indirect buffer constitute one “change” from the point of view of undo), but the misbehavior of undo is (hopefully) now avoided.
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@ -753,14 +753,14 @@ with \",*\", \",#+\", \",,*\" and \",,#+\"."
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(kill-buffer buffer))
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(goto-char beg)
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(when allow-write-back-p
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(let ((buffer-undo-list t))
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(delete-region beg (max beg end))
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(unless (string-match "\\`[ \t]*\\'" code)
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(insert code))
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;; Make sure the overlay stays in place
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(undo-boundary)
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(delete-region beg (max beg end))
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(unless (string-match "\\`[ \t]*\\'" code)
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(insert code))
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;; Make sure the overlay stays in place
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(when (eq context 'save) (move-overlay ovl beg (point)))
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(goto-char beg)
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(if single (just-one-space))))
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(goto-char beg)
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(if single (just-one-space)))
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(if (memq t (mapcar (lambda (overlay)
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(eq (overlay-get overlay 'invisible)
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'org-hide-block))
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