AM_DIM_RESET_LINE resets a broken or staggered dimension line to its original
geometry.
+--------<--------+
| |
| |
---->(AM_DIM_RESET_LINE)---+---|dimension|---+---->
This command has no options. Simply click the dimension to reset.
Use this action to reset a broken or staggered dimension line. All lines
of a single dimension will be reset.
AM_DIM_BREAK_LINE terminate action,
AM_DIM_STAGGER_LINE terminate action