iso_8859-9.7: Charset pages unification, minor cleanups

- adjust references
- remove stray comments
- cosmetics

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

man7/iso_8859-9.7

@@ -23,15 +23,14 @@
 .\" %%%LICENSE_END
 .\"
 .TH ISO_8859-9 7 2014-02-16 "Linux" "Linux Programmer's Manual"
-.nh
 .SH NAME
 iso_8859-9 \- ISO 8859-9 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 8859-9, also known as
-the "Latin Alphabet No. 5", encodes the characters used in Turkish.
+ISO 8859-9 encodes the
+characters used in Turkish.
 .SS ISO 8859 alphabets
 The full set of ISO 8859 alphabets includes:
 .TS
@@ -53,12 +52,10 @@ ISO 8859-15	West European languages (Latin-9)
 ISO 8859-16	Romanian (Latin-10)
 .TE
 .SS ISO 8859-9 characters
-The following table displays the characters in ISO 8859-9 (Latin-5),
-which are printable and unlisted in the
+The following table displays the characters in ISO 8859-9, 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 8859-9.
 .TS
 l l l c lp-1.
 Oct	Dec	Hex	Char	Description
@@ -160,5 +157,9 @@ _
 376	254	FE	ş	LATIN SMALL LETTER S WITH CEDILLA
 377	255	FF	ÿ	LATIN SMALL LETTER Y WITH DIAERESIS
 .TE
+.SH NOTES
+ISO 8859-9 is also known as Latin-5.
 .SH SEE ALSO
-.BR ascii (7)
+.BR ascii (7),
+.BR charsets (7),
+.BR utf-8 (7)