Record the line thickness locally in a dimen register. The initial value is read from the |xydash10| font.
( @dimen@ @=@
@@thicker@@@ @ @@thinner@@@ @
@@ @@ @@@@ @@@@*@ *@@@@@@@##1@@@##1@##1@@@=##1@@ )
Nothing further can be done unless allowed by a back-end.
( @@#1#2@@@The #1 #2 effect is not implemented with the current driver.
@@@linewidth@@@)
2