T-Juncs not working?

[ericwa]

Why does this func_detail brush have t-juncs?

{
"spawnflags" "0"
"classname" "worldspawn"
"wad" "Q.wad"
"_point_format" "1"
"_sunlight" "300"
"_sun_mangle" "-60 -60 0"
"_sunlight_color" "1 0.631373 0.631373"
{
( -1440 -4672 1200 ) ( -1440 -4672 1232 ) ( 672 -4672 1200 ) sky1 0 -16 0 1 1
( -3136 -2688 1200 ) ( -3136 -1632 1200 ) ( -3136 -2688 1232 ) sky1 0 -16 0 1 1
( -1440 -2688 1184 ) ( 672 -2688 1184 ) ( -1440 -1632 1184 ) sky1 0 0 0 1 1
( 672 -576 1232 ) ( -1440 -576 1232 ) ( 672 -576 1200 ) sky1 0 -16 0 1 1
( 1568 -1632 1232 ) ( 1568 -1632 1200 ) ( 1568 -2688 1232 ) sky1 0 -16 0 1 1
( 672 -1632 1312 ) ( 672 -2688 1312 ) ( -1440 -1632 1312 ) sky1 0 0 0 1 1
}
{
( -1440 -4672 1200 ) ( -1440 -4672 1232 ) ( 672 -4672 1200 ) sky1 0 -16 0 1 1
( 1536 -2688 1200 ) ( 1536 -1632 1200 ) ( 1536 -2688 1232 ) sky1 0 -16 0 1 1
( -1440 -2688 1184 ) ( 672 -2688 1184 ) ( -1440 -1632 1184 ) sky1 0 0 0 1 1
( 672 -544 1232 ) ( -1440 -544 1232 ) ( 672 -544 1200 ) sky1 0 -16 0 1 1
( 1568 -1632 1232 ) ( 1568 -1632 1200 ) ( 1568 -2688 1232 ) sky1 0 -16 0 1 1
( 672 -1632 3136 ) ( 672 -2688 3136 ) ( -1440 -1632 3136 ) sky1 0 0 0 1 1
}
{
( -1440 -4672 1200 ) ( -1440 -4672 1232 ) ( 672 -4672 1200 ) sky1 0 -16 0 1 1
( -3136 -2688 1200 ) ( -3136 -1632 1200 ) ( -3136 -2688 1232 ) sky1 0 -16 0 1 1
( -1440 -2688 3072 ) ( 672 -2688 3072 ) ( -1440 -1632 3072 ) sky1 0 -16 0 1 1
( 672 -544 1232 ) ( -1440 -544 1232 ) ( 672 -544 1200 ) sky1 0 -16 0 1 1
( 1568 -1632 1232 ) ( 1568 -1632 1200 ) ( 1568 -2688 1232 ) sky1 0 -16 0 1 1
( 672 -1632 3104 ) ( 672 -2688 3104 ) ( -1440 -1632 3104 ) sky1 0 0 0 1 1
}
{
( -1440 -4672 1200 ) ( -1440 -4672 1232 ) ( 672 -4672 1200 ) sky1 0 -16 0 1 1
( -3136 -2688 1200 ) ( -3136 -1632 1200 ) ( -3136 -2688 1232 ) sky1 0 -16 0 1 1
( -1440 -2688 1184 ) ( 672 -2688 1184 ) ( -1440 -1632 1184 ) sky1 0 0 0 1 1
( 672 -4544 1232 ) ( -1440 -4544 1232 ) ( 672 -4544 1200 ) sky1 0 -16 0 1 1
( 1568 -1632 1232 ) ( 1568 -1632 1200 ) ( 1568 -2688 1232 ) sky1 0 -16 0 1 1
( 672 -1632 3296 ) ( 672 -2688 3296 ) ( -1440 -1632 3296 ) sky1 0 0 0 1 1
}
{
( -1440 -4672 1200 ) ( -1440 -4672 1232 ) ( 672 -4672 1200 ) sky1 0 -16 0 1 1
( -3136 -2688 1200 ) ( -3136 -1632 1200 ) ( -3136 -2688 1232 ) sky1 0 -16 0 1 1
( -1440 -2688 1184 ) ( 672 -2688 1184 ) ( -1440 -1632 1184 ) sky1 0 0 0 1 1
( 672 -544 1232 ) ( -1440 -544 1232 ) ( 672 -544 1200 ) sky1 0 -16 0 1 1
( -3072 -1632 1232 ) ( -3072 -1632 1200 ) ( -3072 -2688 1232 ) sky1 0 -16 0 1 1
( 672 -1632 3680 ) ( 672 -2688 3680 ) ( -1440 -1632 3680 ) sky1 0 0 0 1 1
}
{
( -1440 -608 1200 ) ( -1440 -608 1232 ) ( 672 -608 1200 ) sky1 0 -16 0 1 1
( -3136 -2688 1200 ) ( -3136 -1632 1200 ) ( -3136 -2688 1232 ) sky1 0 -16 0 1 1
( -1440 -2688 1184 ) ( 672 -2688 1184 ) ( -1440 -1632 1184 ) sky1 0 0 0 1 1
( 672 -544 1232 ) ( -1440 -544 1232 ) ( 672 -544 1200 ) sky1 0 -16 0 1 1
( 1568 -1632 1232 ) ( 1568 -1632 1200 ) ( 1568 -2688 1232 ) sky1 0 -16 0 1 1
( 672 -1632 3104 ) ( 672 -2688 3104 ) ( -1440 -1632 3104 ) sky1 0 0 0 1 1
}
}
{
"spawnflags" "0"
"classname" "info_player_start"
"origin" "496 -944 2056"
"angle" "270"
}
{
"spawnflags" "0"
"classname" "func_detail"
"_smooth" "cop1_6"
{
( -112 -2128 1408 ) ( -112 -2128 1824 ) ( 80 -2128 1408 ) skip -0 -0 -0 1 1
( -112 -1936 1536 ) ( -112 -2128 1824 ) ( -112 -2128 1408 ) skip -0 -0 -0 1 1
( 80 -2128 1408 ) ( 80 -1936 1408 ) ( -112 -2128 1408 ) skip -0 -0 -0 1 1
( 80 -1936 1632 ) ( -112 -1936 1536 ) ( 80 -1936 1408 ) skip -0 -0 -0 1 1
( 80 -1936 1408 ) ( 80 -2128 1408 ) ( 80 -1936 1632 ) skip -0 -0 -0 1 1
( -112 -1936 1536 ) ( 80 -1936 1632 ) ( -112 -2128 1824 ) cop1_6 -0 -0 -0 1 1
( -112 -1936 1536 ) ( -112 -2128 1408 ) ( 80 -1936 1408 ) skip -0 -0 -0 1 1
}
{
( 272 -2128 1408 ) ( 80 -2128 1408 ) ( 272 -2128 2128 ) skip 0 0 0 1 1
( 80 -1936 1408 ) ( 80 -1936 1632 ) ( 80 -2128 1408 ) skip 0 0 0 1 1
( 272 -2128 1408 ) ( 272 -1936 1408 ) ( 80 -2128 1408 ) skip 0 0 0 1 1
( 272 -1936 1408 ) ( 272 -1936 1840 ) ( 80 -1936 1408 ) skip 0 0 0 1 1
( 272 -1936 1408 ) ( 272 -2128 1408 ) ( 272 -1936 1840 ) skip 0 0 0 1 1
( 80 -1936 1632 ) ( 272 -1936 1840 ) ( 80 -2128 1920 ) cop1_6 0 0 0 1 1
}
}

[ericwa]

Seems to be a difficult shape.. probably the epsilons used by the tjunc code are off?
txqbsp-xt doesn't fix all tjuns on this map either.