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Document char-script-table's effect on word motion

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* doc/lispref/positions.texi (Word Motion): Talk about
char-script-table (Bug #10494).
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Noam Postavsky 2016-08-12 18:33:17 -04:00
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doc/lispref/positions.texi
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@ -192,8 +192,9 @@ in the opposite direction.
@subsection Motion by Words @subsection Motion by Words
The functions for parsing words described below use the syntax table The functions for parsing words described below use the syntax table
to decide whether a given character is part of a word. @xref{Syntax and @code{char-script-table} to decide whether a given character is
Tables}. part of a word. @xref{Syntax Tables}, and see @ref{Character
Properties}.
@deffn Command forward-word &optional count @deffn Command forward-word &optional count
This function moves point forward @var{count} words (or backward if This function moves point forward @var{count} words (or backward if
@ -207,11 +208,13 @@ and then continue moving until the word ends. By default, characters
that begin and end words, known as @dfn{word boundaries}, are defined that begin and end words, known as @dfn{word boundaries}, are defined
by the current buffer's syntax table (@pxref{Syntax Class Table}), but by the current buffer's syntax table (@pxref{Syntax Class Table}), but
modes can override that by setting up a suitable modes can override that by setting up a suitable
@code{find-word-boundary-function-table}, described below. In any @code{find-word-boundary-function-table}, described below. Characters
case, this function cannot move point past the boundary of the that belong to different scripts (as defined by
accessible portion of the buffer, or across a field boundary @code{char-syntax-table}), also define a word boundary
(@pxref{Fields}). The most common case of a field boundary is the end (@pxref{Character Properties}). In any case, this function cannot
of the prompt in the minibuffer. move point past the boundary of the accessible portion of the buffer,
or across a field boundary (@pxref{Fields}). The most common case of
a field boundary is the end of the prompt in the minibuffer.
If it is possible to move @var{count} words, without being stopped If it is possible to move @var{count} words, without being stopped
prematurely by the buffer boundary or a field boundary, the value is prematurely by the buffer boundary or a field boundary, the value is