Tab Movement

Function: prev-tab &optional count pos size

Alter and return pos (or a copy of the cursor position) so that it points count (default is one) tab stops to the left of its current position. Returns nil if that position is before the start of the line.

size is optionally the number of glyphs in each tab, or the value of the tab-size variable.

Note that the position returned is not the position of a character but of a glyph (see section Glyph Positions).

(prev-tab 1 (pos 20 0))
    => #<pos 16 0>

Function: goto-prev-tab &optional count size

Move count tab stops to the left.

Function: next-tab &optional count pos size

Alter and return pos (or a copy of the cursor position) so that it points count tab stops to the right of its current position.

size is optionally the number of glyphs in each tab, or the value of the tab-size variable.

Note that the position returned is not the position of a character but of a glyph (see section Glyph Positions).

Function: goto-next-tab &optional count size

Move count tab stops to the right.

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