elisp: Character Motion
29.2.1 Motion by Characters
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These functions move point based on a count of characters. ‘goto-char’
is the fundamental primitive; the other functions use that.
-- Command: goto-char position
This function sets point in the current buffer to the value
POSITION.
If narrowing is in effect, POSITION still counts from the beginning
of the buffer, but point cannot go outside the accessible portion.
If POSITION is out of range, ‘goto-char’ moves point to the
beginning or the end of the accessible portion.
When this function is called interactively, POSITION is the numeric
prefix argument, if provided; otherwise it is read from the
minibuffer.
‘goto-char’ returns POSITION.
-- Command: forward-char &optional count
This function moves point COUNT characters forward, towards the end
of the buffer (or backward, towards the beginning of the buffer, if
COUNT is negative). If COUNT is ‘nil’, the default is 1.
If this attempts to move past the beginning or end of the buffer
(or the limits of the accessible portion, when narrowing is in
effect), it signals an error with error symbol
‘beginning-of-buffer’ or ‘end-of-buffer’.
In an interactive call, COUNT is the numeric prefix argument.
-- Command: backward-char &optional count
This is just like ‘forward-char’ except that it moves in the
opposite direction.
Info Catalog
elisp: Motion
elisp: Word Motion