Subject: Re: [xsl] Newbie encoding query From: Bryan Schnabel <bryan.schnabel@xxxxxxxxxxxxx> Date: Wed, 4 Dec 2002 14:56:43 -0800 (PST) |
>Perhaps in HTML there is such >a thing as an implicit (tagless) element? I think you nailed it. My recollection of SGML is that this element's tags (<!ELEMENT HEAD O O) are ommisible, not that the element is optional. The element is still there. --- Mike Brown <mike@xxxxxxxx> wrote: > Passin, Tom wrote: > > >From the DTD in the HTML 4.01 Rec - > > > > <!ELEMENT HEAD O O (%head.content;) +(%head.misc;) > -- document head --> > > <!ELEMENT TITLE - - (#PCDATA) -(%head.misc;) -- > document title --> > > <!ELEMENT HTML O O (%html.content;) -- document > root element --> > > <!ELEMENT BODY O O (%block;|SCRIPT)+ +(INS|DEL) -- > document body --> > > > > Very clear, right? Those tags are optional. > Aren't you glad you don't > > have to design the parser? > > Heh. OK, I was wrong. > > However, the prose in section 7.1 says > > An HTML 4 document is composed of three parts: > > 1. a line containing HTML version information, > 2. a declarative header section (delimited by the > HEAD element), > 3. a body, which contains the document's actual > content. The body may be > implemented by the BODY element or the FRAMESET > element. > > White space (spaces, newlines, tabs, and comments) > may appear before or > after each section. Sections 2 and 3 should be > delimited by the HTML > element. > > I see we're back in the should/may/must discussion, > but at the very least > it sounds like HEAD is not optional, based on that > prose, and it sounds like > one of either BODY or FRAMESET are required. > > Of course, a bit further down, it says that that > head tags are not required. > Perhaps in HTML there is such a thing as an implicit > (tagless) element? :) > > Anyway... > > Mike > > -- > Mike J. Brown | http://skew.org/~mike/resume/ > Denver, CO, USA | http://skew.org/xml/ > > XSL-List info and archive: > http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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