pn 267
nr %# 267
ds Tl "Acme: A User Interface for Programmers
ds Au "USER INTERFACES
de PT
nr PN \\n(%#
X "PT \\n(%#
sp \\n(HMu/2u
nr Ps \\n(PS-1
if \\n(OL .lt \\n(OLu           \" why isn't this reset???
if \\n(BT>0  .if e .tl @\\n(PN     \s\\n(Ps\\*(Au\s0@@@
if \\n(BT>0  .if o .tl @@@\f2\\*(Tl\\f1     \\n(PN@
if \\n(BT=0 .tl '\0'''          \" put out something or spacing is curdled
X "END PT \\n(%#
.
               \" BT - bottom title
de BT
X "BT \\n(%#
sp |\\n(FMu/2u+\\n(FOu-1v
if \\n(%#%2 \\*(%O
if !\\n(%#%2 \\*(%E
nr BT \\n(BT+1
X "END BT \\n(%#
.