Why "pre" AND "code" tags in Textile Markup?

Andreas Semt · Jan 13, 2005

Hello list!

I use Instiki and Soks ("Soks rocks." TM by James Britt ;-)) as personal
and working Wiki apps. Both support the Textile Markup language - which
is a *really good* one, i think. However I don't understand why there
are _two_ tags for code formatting in Textile. From the Textile
reference (http://hobix.com/textile/)
--- snip ---
For example, long code blocks belong between pre and code tags. Please
also indent your code inside the tags to be sure that all Textile
processors out there will ignore the contents.
--- snap ---

Why "pre" *and* "code"? If i use only one of them, the rendered wiki
page output is identical to the output where i used both of them.
So why?

Greetings,
Andreas

Cristi BALAN · Jan 13, 2005

Hello list!

I use Instiki and Soks ("Soks rocks." TM by James Britt ;-)) as personal
and working Wiki apps. Both support the Textile Markup language - which
is a *really good* one, i think. However I don't understand why there
are _two_ tags for code formatting in Textile. From the Textile
reference (http://hobix.com/textile/)
--- snip ---
For example, long code blocks belong between pre and code tags. Please
also indent your code inside the tags to be sure that all Textile
processors out there will ignore the contents.
--- snap ---

Why "pre" *and* "code"? If i use only one of them, the rendered wiki
page output is identical to the output where i used both of them.
So why?

Greetings,
Andreas

I haven't tried what you asked but, I think they actually meant use
pre _or_ code however you see fit, because pre and code do the same
thing but one is an inline element and one is a block.

Example:
<html>
<body>
111<code>aaaa
bbbb</code>222

111<pre>aaaa
bbbb</pre>222
</body>
</html>

Andreas Semt · Jan 13, 2005

Cristi said:
I haven't tried what you asked but, I think they actually meant use
pre _or_ code however you see fit, because pre and code do the same
thing but one is an inline element and one is a block.

Example:
<html>
<body>
111<code>aaaa
bbbb</code>222

111<pre>aaaa
bbbb</pre>222
</body>
</html>

Hello Cristi!

Yes ... "code" could is an inline tag and "pre" a block tag. However,
the Textile Reference (http://hobix.com/textile/) shows following example:

--- snip ---
<pre>
<code>
a.gsub!( /</, '' )
</code>
</pre>
--- snap ---

Both tags are used in conjunction. And *now* i know why!
The "pre" tag indents the whole content of the "code" tag. Without "pre"
it's all at the beginning of the line, not indented. "pre" creates an
indented block with formatted text, "code" just prints formatted text,
nothing more.

Sorry for asking a stupid question.

Greetings,
Andreas

Patrick Spence · Jan 13, 2005

I'd like to clarify a few things. The <pre> tag's purpose is to
display pre-formated text exactly as input. Normal HTML will ignore
leading, trailing, and consecutive whitespace, but inside <pre> tags,
the tabs and whatnot are all rendered on-screen. Also, the <pre> tag
typically renders the text in a monospace font.

The <code> tag also renders text in a monospace font, but (to the best
of my knowledge) doesn't do to whitespace what <pre> does. It also
adds additional semantic meaning to the text: "This text is code."

Andreas Semt · Jan 18, 2005

Patrick said:
I'd like to clarify a few things. The <pre> tag's purpose is to
display pre-formated text exactly as input. Normal HTML will ignore
leading, trailing, and consecutive whitespace, but inside <pre> tags,
the tabs and whatnot are all rendered on-screen. Also, the <pre> tag
typically renders the text in a monospace font.

The <code> tag also renders text in a monospace font, but (to the best
of my knowledge) doesn't do to whitespace what <pre> does. It also
adds additional semantic meaning to the text: "This text is code."

Hello Patrick!

Thanks for your clarification! So <pre> saves the whitespace (tested in
the Soks wiki), <code> does not (also tested ;-)). Both render text in a
monospace font, <code> adds semantic meaning to the text surrounded by
<code> tags.

Greetings,
Andreas

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Why "pre" AND "code" tags in Textile Markup?

Andreas Semt

Cristi BALAN

Andreas Semt

Patrick Spence

Andreas Semt

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