mdocml: Fix two minibugs reported by Thomas Klausner <wiz at NetBSD>: 1.

mdocml: Fix two minibugs reported by Thomas Klausner <wiz at NetBSD>: 1.

[schwarze]

Log Message:
-----------
Fix two minibugs reported by Thomas Klausner <wiz at NetBSD>:
1. The first argument of .Fn is not supposed to be parsed.
2. The .Fn macro is not supposed to reopen its scope after punctuation.

Modified Files:
--------------
    mdocml:
        mdoc_macro.c

Revision Data
-------------
Index: mdoc_macro.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_macro.c,v
retrieving revision 1.144
retrieving revision 1.145
diff -Lmdoc_macro.c -Lmdoc_macro.c -u -p -r1.144 -r1.145
--- mdoc_macro.c
+++ mdoc_macro.c
@@ -926,7 +926,8 @@ in_line(MACRO_PROT_ARGS)
 			break;
 		}
 
-		ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+		ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
+		    MDOC_MAX : lookup(tok, p);
 
 		/*
 		 * In this case, we've located a submacro and must
@@ -991,6 +992,8 @@ in_line(MACRO_PROT_ARGS)
 			if (scope && ! rew_elem(mdoc, tok))
 				return(0);
 			scope = 0;
+			if (tok == MDOC_Fn)
+				mayopen = 0;
 		} else if (mayopen && !scope) {
 			if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
 				return(0);
--
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