mdocml: Unconfuse .Fa documentation: You can use .Fa with just a type,

mdocml: Unconfuse .Fa documentation: You can use .Fa with just a type,

[schwarze]

Log Message:
-----------
Unconfuse .Fa documentation: 
You can use .Fa with just a type, without a name,
but when you give both, which is the usual case, 
they need to go into one single .Fa argument.
Observed by bentley@; ok jmc@ bentley@.

Modified Files:
--------------
    mdocml:
        mdoc.7

Revision Data
-------------
Index: mdoc.7
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc.7,v
retrieving revision 1.231
retrieving revision 1.232
diff -Lmdoc.7 -Lmdoc.7 -u -p -r1.231 -r1.232
--- mdoc.7
+++ mdoc.7
@@ -1563,19 +1563,31 @@ Function argument.
 Its syntax is as follows:
 .Bd -ragged -offset indent
 .Pf \. Sx \&Fa
-.Op Cm argtype
-.Cm argname
+.Qo
+.Op Ar argtype
+.Op Ar argname
+.Qc Ar \&...
 .Ed
 .Pp
-This may be invoked for names with or without the corresponding type.
-It is also used to specify the field name of a structure.
+Each argument may be a name and a type (recommended for the
+.Em SYNOPSIS
+section), a name alone (for function invocations),
+or a type alone (for function prototypes).
+If both a type and a name are given or if the type consists of multiple
+words, all words belonging to the same function argument have to be
+given in a single argument to the
+.Sx \&Fa
+macro.
+.Pp
+This macro is also used to specify the field name of a structure.
+.Pp
 Most often, the
 .Sx \&Fa
 macro is used in the
 .Em SYNOPSIS
 within
 .Sx \&Fo
-section when documenting multi-line function prototypes.
+blocks when documenting multi-line function prototypes.
 If invoked with multiple arguments, the arguments are separated by a
 comma.
 Furthermore, if the following macro is another
@@ -1585,7 +1597,7 @@ the last argument will also have a trail
 Examples:
 .Dl \&.Fa \(dqconst char *p\(dq
 .Dl \&.Fa \(dqint a\(dq \(dqint b\(dq \(dqint c\(dq
-.Dl \&.Fa foo
+.Dl \&.Fa \(dqchar *\(dq size_t
 .Pp
 See also
 .Sx \&Fo .
@@ -1688,7 +1700,7 @@ Invocations usually occur in the followi
 .br
 .Pf \. Sx \&Fo Ar funcname
 .br
-.Pf \. Sx \&Fa Oo Ar argtype Oc Ar argname
+.Pf \. Sx \&Fa Qq Ar argtype Ar argname
 .br
 \&.\.\.
 .br
--
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