[SOLVED] Re: html on Fedora -- looking for "where to go"

[Patrick O'Callaghan]

On Wed, 2011-08-10 at 09:40 -0500, Matthew J. Roth wrote:
> Tim wrote:
> > 
> > I used to use the underscore, as it made sense (to me, and other
> > programmers) as a substitute for a space.  But there's two drawbacks:
> > 
> > 1.  Try explaining to the clueless what an underscore is, and how to
> > type it.  Try doing that again and again, and you get real sick of it.
> > 
> > 2.  You have the messy combinations of punctuation such as:
> > 
> >         Shakespeare_-_The_Taming_of_the_Shrew
> > 
> > Where it'd really be better to collapse all punctuation down to just one
> > punctuation symbol.  That's "better" as in "easier and more convenient,"
> > not more lexically correct.  Remember these are URIs (i.e. codes), not
> > general language.
> > 
> > 3.  If you ever want a URI printed on a newspaper or magazine, whoever
> > types it may not be able to get an underscore into the text, unless
> > they're familiar with how their publishing system works.  And, even
> > then, they may fail.  Many of them will convert an underscore into an EM
> > dash, since an underscore is hardly ever desired in print, yet proper
> > dashes are wanted all the time.
> 
> 4. Host Names (or 'labels' in DNS jargon) as traditionally defined by
> RFC 952 and RFC 1123 may be composed of upper and lower case
> characters, numeric characters, and the dash character.  RFC 2181
> significantly liberalized the valid character set including the use of
> "_" (underscore), but it is still a *good idea* to stick to the
> traditionally defined characters[¹].

It's become much worse than that with new classes of labels allowing
non-ASCII character sets. See http://tools.ietf.org/html/rfc5890

poc