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Eli Zaretskii authored
See http://lists.gnu.org/archive/html/emacs-devel/2014-11/msg02203.html and http://lists.gnu.org/archive/html/emacs-devel/2014-12/msg00063.html for the rationale. lisp/simple.el (bidi-directional-controls-chars) (bidi-directional-non-controls-chars): New variables. (squeeze-bidi-context-1, squeeze-bidi-context) (line-substring-with-bidi-context) (buffer-substring-with-bidi-context): New functions. doc/lispref/display.texi (Bidirectional Display): Document 'buffer-substring-with-bidi-context'. doc/lispref/text.texi (Buffer Contents): Mention 'buffer-substring-with-bidi-context' with a cross-reference. etc/NEWS: Mention 'buffer-substring-with-bidi-context'.
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