iso_8859-3.7: Charset pages unification, minor cleanups

- adjust references
- remove stray comments
- cosmetics

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man7/iso_8859-3.7

@@ -23,16 +23,14 @@
 .\" %%%LICENSE_END
 .\"
 .TH ISO_8859-3 7 2014-02-16 "Linux" "Linux Programmer's Manual"
-.nh
 .SH NAME
 iso_8859-3 \- ISO 8859-3 character set encoded in octal, decimal,
 and hexadecimal
 .SH DESCRIPTION
 The ISO 8859 standard includes several 8-bit extensions to the ASCII
 character set (also known as ISO 646-IRV).
-ISO 8859-3 encodes the characters used in Southeast European languages.
-.\" (Though in my system with glibc-2.8-20080929
-.\" I found only mt_MT (Malta) using this charset).
+ISO 8859-3 encodes the
+characters used in certain Southeast European languages.
 .SS ISO 8859 alphabets
 The full set of ISO 8859 alphabets includes:
 .TS
@@ -58,8 +56,6 @@ The following table displays the characters in ISO 8859-3, which
 are printable and unlisted in the
 .BR ascii (7)
 manual page.
-.\" The fourth column will only show the proper glyphs
-.\" in an environment configured for ISO 8859-3.
 .TS
 l l l c lp-1.
 Oct	Dec	Hex	Char	Description
@@ -122,7 +118,7 @@ _
 334	220	DC	Ü	LATIN CAPITAL LETTER U WITH DIAERESIS
 335	221	DD	Ŭ	LATIN CAPITAL LETTER U WITH BREVE
 336	222	DE	Ŝ	LATIN CAPITAL LETTER S WITH CIRCUMFLEX
-337	223	DF	ß	LATIN SMALL LETTER SHARP S (German)
+337	223	DF	ß	LATIN SMALL LETTER SHARP S
 340	224	E0	à	LATIN SMALL LETTER A WITH GRAVE
 341	225	E1	á	LATIN SMALL LETTER A WITH ACUTE
 342	226	E2	â	LATIN SMALL LETTER A WITH CIRCUMFLEX
@@ -152,9 +148,11 @@ _
 374	252	FC	ü	LATIN SMALL LETTER U WITH DIAERESIS
 375	253	FD	ŭ	LATIN SMALL LETTER U WITH BREVE
 376	254	FE	ŝ	LATIN SMALL LETTER S WITH CIRCUMFLEX
-377	255	FF	˙	DOT ABOVE (Mandarin Chinese light tone)
+377	255	FF	˙	DOT ABOVE
 .TE
 .SH NOTES
 ISO 8859-3 is also known as Latin-3.
 .SH SEE ALSO
-.BR ascii (7)
+.BR ascii (7),
+.BR charsets (7),
+.BR utf-8 (7)