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2eb0b7835d
* lisp/simple.el (shell-command-dont-erase-buffer): The default, nil, is backward compatible, i.e. it erases the buffer only if the output buffer is not the current one; the new value 'erase always erases the output buffer. Update docstring. (shell-command-save-pos-or-erase): Add optional arg output-to-current-buffer. Rename it so that it's not internal. All callers updated. (shell-command-set-point-after-cmd): Rename it so that it's not internal. All callers updated. Adjust it to cover a side case. (shell-command): Adjust logic to match the specification (Bug#39067). Enable the feature when the output buffer is the current one. (shell-command-on-region): Little tweak to follow `shell-command-dont-erase-buffer' specification. * test/lisp/simple-tests.el (with-shell-command-dont-erase-buffer): Add helper macro. (simple-tests-shell-command-39067) (simple-tests-shell-command-dont-erase-buffer): Add tests. * doc/emacs/misc.texi (Single Shell): Update manual. * etc/NEWS (Single shell commands): Announce the change. |
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