`^̂M=/catcode`
=13 /gdef{/catcode`/0̄0 /catcode`/ =13 /long/gdef #1 /def/MYLATEXline#1/ifx/MYLATEXline/MYLATEXbegin/catcode`/ =5/relax/catcode`/#=6/relax/expandafter/MYLATEXline/else/expandafter /fi

=;''