pipes aren't matched as non url chars

[Wilfried Goesgens]

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In GNU Emacs 21.4.1 (i486-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
of 2007-01-04 on saens, modified by Debian
configured using `configure '--build=i486-linux-gnu'
'--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib'
'--libexecdir=/usr/lib' '--localstatedir=/var/lib'
'--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes'
'--with-x=yes' '--with-x-toolkit=athena' 'build_alias=i486-linux-gnu'
'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: nil
locale-coding-system: nil
default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

oddmuse.el uses goto-addr.el, which uses thingatpt.el. This defines
characters that shouldn't be there in an url.
Since i was trying to use oddmuse-mode to edit dokuwiki syntax i
struggled about the following behaviour:
[[http://someurl.org/bla|some nice text]] would make
'http://someurl.org/bla|some' the url to be clickable.
kensanata, pgas and forcer pointed out that it should be fixed.
kensanata: RFC 2396, section 2.3
14:48 forcer: unwise = "{" | "}" | "|" | "\" | "^" | "[" | "]" | "`"
14:48 forcer: "unwise" are "excluded" ASCII characters, and should be
encoded.



Recent input:
d o c / <tab> <tab> t e s t <tab> <return> M-x o d
d <tab> m <tab> <return> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> C-x C-f o d <tab>
<return> M-x o d d <tab> m o <tab> <return> <help-echo>
<help-echo> <help-echo> <next> <next> <next> <next>
<next> <next> <next> <next> <next> <next> <next> <next>
<next> <next> <next> <C-down-mouse-1> <C-down-mouse-1>
<next> <next> <next> <return> SPC SPC * SPC b l a <home>
<return> <help-echo> <S-down-mouse-1> <help-echo> M-x
r e m <tab> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> p o <tab> r <tab>
<return>

Recent messages:
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