Line join. Currently TpX uses only "miter line join" (not "bevel join" or "round join").
Miter limit. Used to cut off too long spike miter join could
have when the angle between two lines is sharp. If the ratio of miter
length (distance between the outer corner and the inner corner of the
miter) to line width is greater than miter limit, then bevel join is
used instead of miter join. Default value of miter limit is 10. This
option is not applicable to LaTeX-picture and PsTricks formats.
Line cap. Currently TpX uses only "butt" line caps.
Fill rule. Currently TpX uses only "nonzero winding" fill rule (as opposed to "even-odd" aka "alternate").