Commit 1412ac47 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(Undo): Restore some explanation from the version that was deleted.

parent 90756087
......@@ -470,6 +470,9 @@ it except to install it on a keymap.
In an interactive call, @var{count} is the numeric prefix argument.
Self-insertion translates the input character through
@code{translation-table-for-input}. @xref{Translation of Characters}.
This command calls @code{auto-fill-function} whenever that is
non-@code{nil} and the character inserted is in the table
@code{auto-fill-chars} (@pxref{Auto Filling}).
......@@ -477,10 +480,9 @@ non-@code{nil} and the character inserted is in the table
@c Cross refs reworded to prevent overfull hbox. --rjc 15mar92
This command performs abbrev expansion if Abbrev mode is enabled and
the inserted character does not have word-constituent
syntax. (@xref{Abbrevs}, and @ref{Syntax Class Table}.)
This is also responsible for calling @code{blink-paren-function} when
the inserted character has close parenthesis syntax (@pxref{Blinking}).
syntax. (@xref{Abbrevs}, and @ref{Syntax Class Table}.) It is also
responsible for calling @code{blink-paren-function} when the inserted
character has close parenthesis syntax (@pxref{Blinking}).
Do not try substituting your own definition of
@code{self-insert-command} for the standard one. The editor command
......@@ -1257,6 +1259,9 @@ range @var{beg} to @var{end}, which increased the size of the buffer
by @var{delta}. It is undone by calling @var{funname} with arguments
@var{args}.
This kind of element enables undo limited to a region to determine
whether the element pertains to that region.
@item nil
This element is a boundary. The elements between two boundaries are
called a @dfn{change group}; normally, each change group corresponds to
......@@ -1793,7 +1798,7 @@ a buffer. This is in contrast to the function @code{sort}, which
rearranges the order of the elements of a list (@pxref{Rearrangement}).
The values returned by these functions are not meaningful.
@defun sort-subr reverse nextrecfun endrecfun &optional startkeyfun endkeyfun
@defun sort-subr reverse nextrecfun endrecfun &optional startkeyfun endkeyfun predicate
This function is the general text-sorting routine that subdivides a
buffer into records and then sorts them. Most of the commands in this
section use this function.
......@@ -1847,6 +1852,10 @@ is no need for @var{endkeyfun} if @var{startkeyfun} returns a
non-@code{nil} value.
@end enumerate
The argument @var{predicate} is the function to use to compare keys.
If keys are numbers, it defaults to @code{<}; otherwise it defaults to
@code{string<}.
As an example of @code{sort-subr}, here is the complete function
definition for @code{sort-lines}:
......
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