An ass event like `{\p1\pos{1,1}}m 0 0 l -3 -7 l 11 -7 l 11 -2` ends
the drawing mode started with `\p1` due to `\pos` gets confused with
`\p`, and thus that line is wrongly considered to be visible text.
An ass event like `{\p1\pos{1,1}}m 0 0 l -3 -7 l 11 -7 l 11 -2` ends
the drawing mode started with `\p1` due to `\pos` gets confused with
`\p`, and thus that line is wrongly considered to be visible text.