iso_8859-15.7: Charset pages unification, minor cleanups

- adjust references
- remove stray comments, streamline description
  (charsets(7) and Wikipedia provide more detailed
   and up-to-date description)
- cosmetics

man7/iso_8859-15.7

@@ -24,27 +24,14 @@
 .\" %%%LICENSE_END
 .\"
 .TH ISO_8859-15 7 2014-02-16 "Linux" "Linux Programmer's Manual"
-.nh
 .SH NAME
 iso_8859-15 \- ISO 8859-15 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).
-Especially important is
-ISO 8859-1, the "Latin Alphabet No. 1", which has become widely
-implemented and may already be seen as the de-facto standard ASCII
-replacement.
-However, it lacks the EURO symbol and does not fully
-cover Finnish and French.
-ISO 8859-15 is a modification of ISO 8859-1
-that covers these needs.
-.P
-ISO 8859-15 supports the following languages: Albanian, Basque, Breton,
-Catalan, Danish, Dutch, English, Estonian, Faroese, Finnish, French,
-Frisian, Galician, German, Greenlandic, Icelandic, Irish Gaelic,
-Italian, Latin, Luxemburgish, Norwegian, Portuguese, Rhaeto-Romanic,
-Scottish Gaelic, Spanish, and Swedish.
+ISO 8859-15 encodes the
+characters used in many West European languages and adds the Euro sign.
 .SS ISO 8859 alphabets
 The full set of ISO 8859 alphabets includes:
 .TS
@@ -66,12 +53,10 @@ ISO 8859-15	West European languages (Latin-9)
 ISO 8859-16	Romanian (Latin-10)
 .TE
 .SS ISO 8859-15 characters
-The following table displays the characters in ISO 8859-15 (Latin-9),
-which are printable and unlisted in the
+The following table displays the characters in ISO 8859-15, 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 8859-15.
 .TS
 l l l c lp-1.
 Oct	Dec	Hex	Char	Description
@@ -173,6 +158,10 @@ _
 376	254	FE	þ	LATIN SMALL LETTER THORN
 377	255	FF	ÿ	LATIN SMALL LETTER Y WITH DIAERESIS
 .TE
+.SH NOTES
+ISO 8859-15 is also known as Latin-9 (or sometimes as Latin-0).
 .SH SEE ALSO
 .BR ascii (7),
-.BR iso_8859-1 (7)
+.BR charsets (7),
+.BR iso_8859-1 (7),
+.BR utf-8 (7)