Macro argument quoting does not prevent recognition of punctuation

and of called macros.

This bug affects almost all macros, and fixing it simplifies the
code.  It is amazing that the bogus ARGS_QWORD feature got implemented
in the first place, and then carrier along for more than eight years
without anybody ever noticing that it was pointless.

Reported by Leah Neukirchen <leah at vuxu dot org>, found on Void Linux.

3 files changed, 6 insertions, 5 deletions

diff --git a/regress/mdoc/Qq/empty.in b/regress/mdoc/Qq/empty.in
index 58d6bf3d..81bd207e 100644
--- a/regress/mdoc/Qq/empty.in
+++ b/regress/mdoc/Qq/empty.in
@@ -8,7 +8,7 @@
 An empty
 .Qq
 and a full
-.Qq user@host
+.Qq "(" user@host
 quotation.
 And another
-.Qo full Qc one .
+.Qo "(" full Qc one "Sy" bold .
diff --git a/regress/mdoc/Qq/empty.out_ascii b/regress/mdoc/Qq/empty.out_ascii
index 311f1e94..a191f455 100644
--- a/regress/mdoc/Qq/empty.out_ascii
+++ b/regress/mdoc/Qq/empty.out_ascii
@@ -4,6 +4,7 @@ NNAAMMEE
      QQqq--eemmppttyy - empty implicit enclosure macros
 
 DDEESSCCRRIIPPTTIIOONN
-     An empty "" and a full "user@host" quotation.  And another "full" one.
+     An empty "" and a full ("user@host" quotation.  And another ("full" one
+     bboolldd.
 
 OpenBSD                        October 21, 2010                        OpenBSD
diff --git a/regress/mdoc/Qq/empty.out_markdown b/regress/mdoc/Qq/empty.out_markdown
index 262ae04d..beb8cb30 100644
--- a/regress/mdoc/Qq/empty.out_markdown
+++ b/regress/mdoc/Qq/empty.out_markdown
@@ -9,9 +9,9 @@ QQ-EMPTY(1) - General Commands Manual
 An empty
 ""
 and a full
-"user@host"
+("user@host"
 quotation.
 And another
-"full" one.
+("full" one **bold**.
 
 OpenBSD - October 21, 2010