(texdraw)Initial current position

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3.6 Initial current position
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The first operation in a drawing should be a move to establish the
current position.  The current position can be established explicitly
through a '\move' command or a text positioning command such as '\htext'
with a coordinate.  However, if an attempt is made to use a drawing
command which needs a current position and none has been established,
TeXdraw implicitly sets the initial current position to '(0 0)'.  The
size of the TeXdraw figure is normally determined from the sequence of
coordinates specified, but will include the implicit initial position in
case another initial position has not been explicitly specified.