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/Dq/empty.in b/regress/mdoc/Dq/empty.in
index 6e228898..1d072d5e 100644
--- a/regress/mdoc/Dq/empty.in
+++ b/regress/mdoc/Dq/empty.in
@@ -8,7 +8,7 @@
 An empty
 .Dq
 and a full
-.Dq user@host
+.Dq "(" user@host
 quotation.
 And another
-.Do full Dc one .
+.Do "(" full Dc one "Sy" bold .
diff --git a/regress/mdoc/Dq/empty.out_ascii b/regress/mdoc/Dq/empty.out_ascii
index e8f1da5b..9f7c8bbe 100644
--- a/regress/mdoc/Dq/empty.out_ascii
+++ b/regress/mdoc/Dq/empty.out_ascii
@@ -4,6 +4,7 @@ NNAAMMEE
      DDqq--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/Dq/empty.out_markdown b/regress/mdoc/Dq/empty.out_markdown
index 6cba8746..b6188f5c 100644
--- a/regress/mdoc/Dq/empty.out_markdown
+++ b/regress/mdoc/Dq/empty.out_markdown
@@ -9,9 +9,9 @@ DQ-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