Garrett's man page edits.

@@ -9,76 +9,67 @@
 .\" source.  A copy of the CDDL is also available via the Internet at
 .\" http://www.illumos.org/license/CDDL.
 .\"
 .\"
 .\" Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+.\" Copyright 2014 Garrett D'Amore <garrett@damore.org>
 .\"
-.TH TOWUPPER 3C "Jun 11, 2014"
-
+.TH TOWUPPER 3C "Jun 21, 2014"
 .SH NAME
-
 towupper, towupper_l \- transliterate lower-case wide characters to upper-case
-
 .SH SYNOPSIS
-
 .LP
 .nf
 #include <wctype.h>
 
-.BI "wint_t towupper(wint_t" wc );
-.BI "wint_t towupper_l(wint_t" wc, " locale_t " loc );
-
+\fBwint_t\fR \fBtowupper\fR(\fBwint_t\fR \fIwc\fR);
+.fi
+.LP
+.nf
+\fBwint_t\fR \fBtowupper_l\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR);
+.fi
 .SH DESCRIPTION
-
 The function
-.BR towupper
+.BR towupper()
 is the wide character equivalent of the function
-.BR toupper .
+.BR toupper (3C).
 It converts the lower-case wide character
-.I loc
+.I wc
 to the equivalent upper-case
 wide character, if one exists. If one does not exist, it returns
-.I loc
+.I wc
 unchanged.
-
 .LP
 The function
-.B towupper_l
+.B towupper_l()
 is equivalent to the function
-.BR towupper ,
-but instead of operating in the current environemnt, operates on the
-environment specified by
+.BR towupper() ,
+but instead of operating in the current locale, operates in the
+locale specified by
 .IR loc .
-
 .SH RETURN VALUES
-
 On successful completion,
 .B towupper()
 and
 .B towupper_l()
 return the upper-case character that corresponds to the argument passed.
 Otherwise, they return the argument unchanged.
-
 .SH ERRORS
-
 No errors are defined.
-
 .SH ATTRIBUTES
-.sp
 .TS
 box;
 c | c
 l | l .
 ATTRIBUTE TYPE  ATTRIBUTE VALUE
 _
 Interface Stability     Standard
 _
-MT-Level        Safe
+MT-Level        MT-Safe
 .TE
 
 .SH SEE ALSO
-.BR duplocale (3C),
 .BR newlocale (3C),
 .BR setlocale (3C),
-.BR tolower(3C),
-.BR environ (5),
+.BR toupper(3C),
+.BR uselocale (3C),
 .BR locale (5)