this post was submitted on 22 Nov 2023
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Why does pop-to-buffer break save-excursion? (alien.top)
submitted 1 year ago by field_thought_slight@alien.top to c/emacs
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When debugging some code, I learned that if you call pop-to-buffer and pop-to-buffer-same-window inside save-excursion or save-current-buffer, the original buffer will not be restored at the end of the save-. You can get around this by using save-window-excursion; however, I still feel like save-excursion ought to work. Does anyone know why it doesn't?

(You can check this by eval-ing the following in any buffer other than *Messages*: (save-excursion (pop-to-buffer-same-window "*Messages*")).

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