$NetBSD: patch-aa,v 1.8 2025/01/29 10:31:53 jperkin Exp $

Fix path to papers directory on NetBSD.
Avoid arbitrary decisions wrt troff being present or not to use a g'prefix.
Force it instead and use PKGGNUDIR logic to work it out.
Fix infinite loop an.tmac -> an.tmac.

--- Makefile.in.orig	2023-07-05 20:58:38.000000000 +0000
+++ Makefile.in
@@ -3963,7 +3963,7 @@ tmac_an_prefix = \
 indexext = .i
 
 # Directory containing the default index for refer.
-indexdir = /usr/dict/papers
+indexdir = /usr/share/dict/papers
 
 # The filename (without suffix) of the default index for refer.
 indexname = Ind
@@ -15592,7 +15592,7 @@ tmac/stamp-wrap:
 	  for m in ""$(tmac_wrap); do \
 	    $(RM) $(top_builddir)/tmac/$$m-wrap; \
 	    if test "$$m" = an; then \
-	      echo .do mso an.tmac >>$(top_builddir)/tmac/$$m-wrap; \
+	      echo .do mso andoc.tmac >>$(top_builddir)/tmac/$$m-wrap; \
 	    fi; \
 	    echo .cp 1 >>$(top_builddir)/tmac/$$m-wrap; \
 	    echo .so $(sys_tmac_prefix)$$m \