2 .\"@ Provide `.xx' macro to format permuted index entries as created by GNU ptx.
4 .\" Written 2008 by Werner Lemberg (wl@gnu.org)
7 .\" Adapted to S-roff by Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
9 .nr ptx-ref-pos (\n[.l] - .65i)
10 .nr ptx-head-pos (\n[ptx-ref-pos] / 2)
26 . ds ptx-filler \\*[ptx-sep-4]\f3\a\fP\\*[ptx-sep-5]
27 . ta (\\n[ptx-ref-pos]u - \w
\a\\*[ptx-sep-5]
\au)
29 \h
\a(\\n[ptx-head-pos]u - \w
\a\\$1\\*[ptx-sep-1]\\$2\\*[ptx-sep-2]
\au)
\a\