+ .gv semver
+ .if &_major 1 >
+ .** tfm version 2.0.0+ supports header annotation for rst
+ .dh 1 a==after s=2,1 i=0 m=0
+ .dh 2 a=-after s=2,1 i=0 m=0
+ .dh 3 a=~after s=2,0 i=0 m=0
+
+ .dv h1 .h1 $1
+ .dv h2 .h2 $1
+ .dv h3 .h2 $1
+ .ei
+ .dv __alert ### WARNING ### rst.im detects an old(er) version of tfm some formatting might not be right
+ .sv __alert
+
+ .dh 1 s=2,1 i=0 m=0
+ .dh 2 s=1.1 i=0 m=0
+ .dh 3 s=1,0 i=0 m=0
+
+ .dv h1 .sp 1 $1 .br &many_equals .sp 1
+ .dv h2 .sp 1 $1 .br &many_dashes .sp 1
+ .dv h3 .sp 1 $1 .br &many_tildas .sp 1
+ .fi
+ .dv h4 **$1**
+
+ .** initially need a wide column to allow copyright to not break