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Subject: 
Re: Best way to write the registered trademark symbol in HTML?
Newsgroups: 
lugnet.publish
Date: 
Fri, 8 Jan 1999 17:29:37 GMT
Viewed: 
2868 times
  
Todd Lehman (lehman@javanet.com) wrote:

> sparre@sys-323.risoe.dk (Jacob Sparre Andersen) writes:

> > Why insert the font modification? I think LEGO® renders fine.
> 
> Because the ® symbol in typical typefaces (Times, etc.) on typical
> systems (Windoze, Mac, etc.) displays as a large, obnoxious O-sized symbol
> instead of a nice little raised o-sized symbol like TM (™) does.

Reasonable argument, although we ought to fix the font and
not make workarounds.

> > ™ may work well on your browser, but it
> > 
> >  1) is not legal HTML
> 
> Huh?  Why isn't  ™  100%-legal HTML?

Because character number 153 in Unicode isn't a printable
character.

> >  2) does not work on DEC-Unix and Linux (haven't tested on other systems)
> 
> Is it really an OS issue, or is it a browser character-set mapping issue?
> Are you saying that if you run Netscape 4.5 on Linux, ™ doesn't show up
> as a TM symbol?  Or that if you run Lynx under DEC-Unix or Linux, it doesn't
> show up as a TM symbol?

It is a MS issue. Microsoft uses a character table that is
equivalent to Latin-1 except for the positions 128 to 159
where they have inserted various useful characters that
appears at other locations in Unicode.

Neither Netscape nor Lynx will show ™ as a trademark
symbol. It is the same on both Digital Unix and Linux.

> Admittedly, the mapping ™ -> TM is a Netscape extension, but it's been
> around forever, and MSIE has picked it up, and it works on Macs as well as
> Windoze systems, and these two browsers and platforms together still account
> for almost all web trafic.  It's too bad that the alternatives to a ™
> are so messy...  :-(  Also too bad that there isn't a &tm; entity that would
> display properly everywhere.  Even ® and © don't display properly
> everywhere.  :-(

I can't remember the position of the trademark symbol in
Unicode (it's a four-digit number), but it is there. I will
try to find it, so we can see if any of the popular browsers
can handle it.

Play well,

Jacob

           ----------------------------------------------
           --  E-mail: Jacob.Sparre.Andersen@risoe.dk  --
           --  Web...: <URL:http://hugin.risoe.dk/>    --
           ----------------------------------------------

LEGO: MOC+++c TO+++(6543) TC+++(8880) AQ+++ BV-- #++ S LS++ A-/+ YB72m



Message has 2 Replies:
  Re: Best way to write the registered trademark symbol in HTML?
 
(...) I looked it up. It's on position 8482 (decimal) in Unicode. Play well, Jacob PS: I was wrong about Netscape. The newest version handles both &#153; and &#8482; as a trademark symbol. - But it is approximately three times larger than ® in the (...) (28 years ago, 8-Jan-99, to lugnet.publish)
  Re: Best way to write the registered trademark symbol in HTML?
 
(...) Hmm, OK, so even though &#153; is syntactically legal HTML, the semantics aren't defined in Unicode as the desired character...? And they just happen to work out to the TM symbol on a few popular platforms? (...) So &#153; doesn't always mean (...) (28 years ago, 9-Jan-99, to lugnet.publish)

Message is in Reply To:
  Re: Best way to write the registered trademark symbol in HTML?
 
(...) Because the &reg; symbol in typical typefaces (Times, etc.) on typical systems (Windoze, Mac, etc.) displays as a large, obnoxious O-sized symbol instead of a nice little raised o-sized symbol like TM (&#153;) does. (...) Huh? Why isn't &#153; (...) (28 years ago, 6-Jan-99, to lugnet.publish)

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