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Eli Zaretskii authored
* lisp/simple.el (region-extract-function, delete-backward-char) (delete-forward-char, kill-region, copy-region-as-kill) (kill-ring-save): Better document the optional argument REGION in the doc strings. Mention in the doc strings that text put in the kill-ring can be filtered by 'filter-buffer-substring'. * doc/lispref/text.texi (Kill Functions): Mention that functions described in this subsection can filter text they put in the kill-ring. Add a cross-reference to "Buffer Contents" and an index entry. Document the optional argument 'region' and its effect. (Bug#21315)
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