Yes, Joel, this is right on!
Thanks
-Tim
Joel Neely wrote:
> [EMAIL PROTECTED] wrote:
> >
> > Hi Al and Joe:
> > I've just got a minute here. If I'm still not clear enough,
> > I'll have to write a simple test script and send it tomorrow.
> >
> > I want to be able to show an actual tag in the web
> > content that my CGI program writes, to give directions
> > to a user.
> > maybe I just have to rely on '< and '>
> > I'm sure that will work.
> >
>
> Ah! Now I understand. Yes, the bottom-level solution is the HTML
> entities that are "escapes" for < and >. However, you can REBOLize
> the process, as illustrated in the following:
>
> html-escape: func [s [string!] /local r] [
> r: copy s
> replace/all r #"&" #"^@" ; hide ampersands
> replace/all r #"<" "<" ; escape lt
> replace/all r #">" ">" ; escape gt
> replace/all r #"^"" """ ; escape double-quotes
> replace/all r #"^@" "&" ; un-hide ampersands
> insert head r <pre>
> insert tail r </pre>
> r
> ]
>
> >> para: {
> { <p>This is a paragraph
> { <!-- Hello, world! -->
> { with an HTML comment
> { in the middle</p>
> { }
> == {
> <p>This is a paragraph
> <!-- Hello, world! -->
> with an HTML comment
> in the middle</p>
> }
>
> >> print [
> [ <html> newline
> [ <head> <title> {Sample} </title> </head> newline
> [ <body> newline
> [ <h3> {HTML Comments} </h3> newline
> [ para
> [ <p> {The HTML code for the preceding
> { paragraph looks like this:}
> [ html-escape para
> [ </p> newline
> [ </body> newline
> [ </html> newline
> [ ]
> <html>
> <head> <title> Sample </title> </head>
> <body>
> <h3> HTML Comments </h3>
>
> <p>This is a paragraph
> <!-- Hello, world! -->
> with an HTML comment
> in the middle</p>
> <p> The HTML code for the preceding
> paragraph looks like this: <pre>
> <p>This is a paragraph
> <!-- Hello, world! -->
> with an HTML comment
> in the middle</p>
> </pre> </p>
> </body>
> </html>
>
> ...which, of course, you could also write to a file.
>
> Hope this helps!
>
> -jn-
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