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Richard M. Stallman authored
(view-read-only): New option variable. If non-nil then buffers visiting files read-only, do it in view mode. (find-file-read-only, find-file-read-only-other-window) (find-file-read-only-other-frame): Call toggle-read-only instead of setting buffer-read-only explicitly. (toggle-read-only, after-find-file): Handle view-read-only. (save-some-buffers): Use second argument of view-buffer instead of setting view-exit-action.
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