Difference between revisions of "User:GarveyPatrickD/Combining the nowiki and pre tags"

From Xen
(Added "Surrounding a Universal Record Locator (URL)" section)
(Surrounding a Universal Record Locator (URL): Replaced all the "Lorem ..." phrases with the URL)
Line 351: Line 351:
   
 
=Surrounding a Universal Record Locator (URL)=
 
=Surrounding a Universal Record Locator (URL)=
  +
The Universal Record Locator (URL) data is:
  +
<br />
  +
<nowiki>https://secure.wikimedia.org/</nowiki>
 
==Using only one tag==
 
==Using only one tag==
   
Line 358: Line 361:
 
=====<nowiki><nowiki></nowiki></nowiki> alone=====
 
=====<nowiki><nowiki></nowiki></nowiki> alone=====
 
Source:<br />
 
Source:<br />
<b><nowiki><nowiki></nowiki></b>Lorem ipsum dolor sit amet, consectetur adipiscing elit.<b><nowiki></nowiki></nowiki></b>
+
<b><nowiki><nowiki></nowiki></b><nowiki>https://wikimediafoundation.org/wiki/Home</nowiki><b><nowiki></nowiki></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
<nowiki>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</nowiki>
+
<nowiki>https://secure.wikimedia.org/</nowiki>
   
 
=====<nowiki><pre></pre></nowiki> alone=====
 
=====<nowiki><pre></pre></nowiki> alone=====
 
Source:<br />
 
Source:<br />
<b><nowiki><pre></nowiki></b>Lorem ipsum dolor sit amet, consectetur adipiscing elit.<b><nowiki></pre></nowiki></b>
+
<b><nowiki><pre></nowiki></b>https://secure.wikimedia.org/<b><nowiki></pre></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
  +
<pre>https://secure.wikimedia.org/</pre>
<pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</pre>
 
   
 
====Leading and trailing white space====
 
====Leading and trailing white space====
 
=====<nowiki><nowiki></nowiki></nowiki> alone=====
 
=====<nowiki><nowiki></nowiki></nowiki> alone=====
 
Source:<br />
 
Source:<br />
<b><nowiki><nowiki></nowiki></b> &nbsp;Lorem &nbsp;ipsum &nbsp;dolor &nbsp;sit &nbsp;amet, &nbsp;consectetur &nbsp;adipiscing &nbsp;elit. &nbsp;<b><nowiki></nowiki></nowiki></b>
+
<b><nowiki><nowiki></nowiki></b> &nbsp;https://secure.wikimedia.org/ &nbsp;<b><nowiki></nowiki></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
<nowiki> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </nowiki>
+
<nowiki> https://secure.wikimedia.org/ </nowiki>
 
<br />
 
<br />
 
Note: minimum white space is used in the result.
 
Note: minimum white space is used in the result.
 
=====<nowiki><pre></pre></nowiki> alone=====
 
=====<nowiki><pre></pre></nowiki> alone=====
 
Source:<br />
 
Source:<br />
<b><nowiki><pre></nowiki></b> &nbsp;Lorem &nbsp;ipsum &nbsp;dolor &nbsp;sit &nbsp;amet, &nbsp;consectetur &nbsp;adipiscing &nbsp;elit. &nbsp;<b><nowiki></pre></nowiki></b>
+
<b><nowiki><pre></nowiki></b> &nbsp;https://secure.wikimedia.org/ &nbsp;<b><nowiki></pre></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
  +
<pre> https://secure.wikimedia.org/ </pre>
<pre> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </pre>
 
 
Note: white space is preserved in the result
 
Note: white space is preserved in the result
   
Line 394: Line 397:
 
<nowiki><nowiki></nowiki>
 
<nowiki><nowiki></nowiki>
 
</b>
 
</b>
<br />Lorem
+
<br />
  +
https://secure.wikimedia.org/
<br />ipsum
 
<br />dolor
+
<br />
<br />sit
 
<br />amet,
 
<br />consectetur
 
<br />adipiscing
 
<br />elit.
 
<b>
 
<br /></nowiki>
 
 
</b>
 
</b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
 
<nowiki>
 
<nowiki>
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
 
</nowiki>
 
</nowiki>
 
<br />
 
<br />
Line 425: Line 414:
 
<nowiki><pre></nowiki>
 
<nowiki><pre></nowiki>
 
</b>
 
</b>
  +
https://secure.wikimedia.org/
<br />Lorem
 
<br />ipsum
 
<br />dolor
 
<br />sit
 
<br />amet,
 
<br />consectetur
 
<br />adipiscing
 
<br />elit.
 
 
<b>
 
<b>
 
<br /></pre>
 
<br /></pre>
Line 439: Line 421:
 
Display:<br />
 
Display:<br />
 
<pre>
 
<pre>
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
 
</pre>
 
</pre>
 
Note: each token between the tags is placed on a separate line.
 
Note: each token between the tags is placed on a separate line.
Line 457: Line 432:
 
</b>
 
</b>
   
<br />&nbsp;&nbsp;Lorem&nbsp;&nbsp;
+
<br />&nbsp;&nbsp;https://secure.wikimedia.org/&nbsp;&nbsp;
<br />&nbsp;&nbsp;ipsum&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;dolor&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;sit&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;amet,&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;consectetur&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;adipiscing&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;elit.&nbsp;&nbsp;
 
   
 
<b>
 
<b>
Line 473: Line 441:
 
<nowiki>
 
<nowiki>
   
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
   
 
</nowiki>
 
</nowiki>
Line 492: Line 453:
 
</b>
 
</b>
   
<br />&nbsp;&nbsp;Lorem&nbsp;&nbsp;
+
<br />&nbsp;&nbsp;https://secure.wikimedia.org/&nbsp;&nbsp;
<br />&nbsp;&nbsp;ipsum&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;dolor&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;sit&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;amet,&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;consectetur&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;adipiscing&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;elit.&nbsp;&nbsp;
 
   
 
<b>
 
<b>
Line 508: Line 462:
 
<pre>
 
<pre>
   
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
   
 
</pre>
 
</pre>
Line 525: Line 472:
 
=====<nowiki><nowiki></nowiki> first, then <nowiki><pre></nowiki>=====
 
=====<nowiki><nowiki></nowiki> first, then <nowiki><pre></nowiki>=====
 
Source:<br />
 
Source:<br />
<b><nowiki><nowiki><pre></nowiki></b>Lorem ipsum dolor sit amet, consectetur adipiscing elit.<b><nowiki></pre></nowiki></nowiki></b>
+
<b><nowiki><nowiki><pre></nowiki></b>https://secure.wikimedia.org/<b><nowiki></pre></nowiki></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
<nowiki><pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</pre></nowiki>
+
<nowiki><pre>https://secure.wikimedia.org/</pre></nowiki>
 
<br />
 
<br />
 
Note: the <b><nowiki><pre></nowiki></b> tag is displayed rather than consumed.
 
Note: the <b><nowiki><pre></nowiki></b> tag is displayed rather than consumed.
 
=====<nowiki><pre></nowiki> first, then <nowiki><nowiki></nowiki>=====
 
=====<nowiki><pre></nowiki> first, then <nowiki><nowiki></nowiki>=====
 
Source:<br />
 
Source:<br />
<b><nowiki><pre><nowiki></nowiki></b>Lorem ipsum dolor sit amet, consectetur adipiscing elit.<b><nowiki></nowiki></nowiki><nowiki></pre></nowiki></b>
+
<b><nowiki><pre><nowiki></nowiki></b>https://secure.wikimedia.org/<b><nowiki></nowiki></nowiki><nowiki></pre></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
<pre><nowiki>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</nowiki></pre>
+
<pre><nowiki>https://secure.wikimedia.org/</nowiki></pre>
 
Note: both tags are consumed.
 
Note: both tags are consumed.
   
Line 542: Line 489:
 
=====<nowiki><nowiki></nowiki> first, then <nowiki><pre></nowiki>=====
 
=====<nowiki><nowiki></nowiki> first, then <nowiki><pre></nowiki>=====
 
Source:<br />
 
Source:<br />
<b><nowiki><nowiki><pre></nowiki></b> &nbsp;Lorem &nbsp;ipsum &nbsp;dolor &nbsp;sit &nbsp;amet, &nbsp;consectetur &nbsp;adipiscing &nbsp;elit. <b><nowiki></pre></nowiki></nowiki></b>
+
<b><nowiki><nowiki><pre></nowiki></b> &nbsp;https://secure.wikimedia.org/ &nbsp;<b><nowiki></pre></nowiki></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
<nowiki><pre> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </pre></nowiki>
+
<nowiki><pre> https://secure.wikimedia.org/ </pre></nowiki>
 
<br />
 
<br />
 
Note: the <b><nowiki><pre></nowiki></b> tag is displayed rather than consumed and the white space after the tag is minimized.
 
Note: the <b><nowiki><pre></nowiki></b> tag is displayed rather than consumed and the white space after the tag is minimized.
 
=====<nowiki><pre></nowiki> first, then <nowiki><nowiki></nowiki>=====
 
=====<nowiki><pre></nowiki> first, then <nowiki><nowiki></nowiki>=====
 
Source:<br />
 
Source:<br />
<b><nowiki><pre><nowiki></nowiki></b> &nbsp;Lorem &nbsp;ipsum &nbsp;dolor &nbsp;sit &nbsp;amet, &nbsp;consectetur &nbsp;adipiscing &nbsp;elit. &nbsp;<b><nowiki></nowiki></nowiki><nowiki></pre></nowiki></b>
+
<b><nowiki><pre><nowiki></nowiki></b> &nbsp;https://secure.wikimedia.org/ &nbsp;<b><nowiki></nowiki></nowiki><nowiki></pre></nowiki></b>
 
<br />
 
<br />
 
Display:<br />
 
Display:<br />
<pre><nowiki> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </nowiki></pre>
+
<pre><nowiki> https://secure.wikimedia.org/ </nowiki></pre>
 
Note: both tags are consumed and the white space is preserved.
 
Note: both tags are consumed and the white space is preserved.
   
Line 565: Line 512:
 
<nowiki><pre></nowiki>
 
<nowiki><pre></nowiki>
 
</b>
 
</b>
  +
<br />https://secure.wikimedia.org/
<br />Lorem
 
<br />ipsum
 
<br />dolor
 
<br />sit
 
<br />amet,
 
<br />consectetur
 
<br />adipiscing
 
<br />elit.
 
 
<b>
 
<b>
 
<br />
 
<br />
Line 582: Line 522:
 
<nowiki>
 
<nowiki>
 
<pre>
 
<pre>
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
 
</pre>
 
</pre>
 
</nowiki>
 
</nowiki>
Line 602: Line 535:
 
<nowiki><nowiki></nowiki>
 
<nowiki><nowiki></nowiki>
 
</b>
 
</b>
  +
<br />https://secure.wikimedia.org/
<br />Lorem
 
<br />ipsum
 
<br />dolor
 
<br />sit
 
<br />amet,
 
<br />consectetur
 
<br />adipiscing
 
<br />elit.
 
 
<b>
 
<b>
 
<br /></nowiki>
 
<br /></nowiki>
Line 618: Line 544:
 
<pre>
 
<pre>
 
<nowiki>
 
<nowiki>
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
 
</nowiki>
 
</nowiki>
 
</pre>
 
</pre>
Line 639: Line 558:
 
</b>
 
</b>
   
<br />&nbsp;&nbsp;Lorem&nbsp;&nbsp;
+
<br />&nbsp;&nbsp;https://secure.wikimedia.org/&nbsp;&nbsp;
<br />&nbsp;&nbsp;ipsum&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;dolor&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;sit&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;amet,&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;consectetur&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;adipiscing&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;elit.&nbsp;&nbsp;
 
   
 
<b>
 
<b>
Line 656: Line 568:
 
<nowiki>
 
<nowiki>
 
<pre>
 
<pre>
  +
https://secure.wikimedia.org/
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
 
 
</pre>
 
</pre>
 
</nowiki>
 
</nowiki>
Line 670: Line 582:
 
</b>
 
</b>
   
<br />&nbsp;&nbsp;Lorem&nbsp;&nbsp;
+
<br />&nbsp;&nbsp;https://secure.wikimedia.org/&nbsp;&nbsp;
<br />&nbsp;&nbsp;ipsum&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;dolor&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;sit&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;amet,&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;consectetur&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;adipiscing&nbsp;&nbsp;
 
<br />&nbsp;&nbsp;elit.&nbsp;&nbsp;
 
   
 
<b>
 
<b>
Line 687: Line 592:
 
<pre>
 
<pre>
 
<nowiki>
 
<nowiki>
  +
https://secure.wikimedia.org/
Lorem
 
ipsum
 
dolor
 
sit
 
amet,
 
consectetur
 
adipiscing
 
elit.
 
 
</nowiki>
 
</nowiki>
 
</pre>
 
</pre>
 
Note: the additional vertical spacing and preserved horizontal spacing in the result.
 
Note: the additional vertical spacing and preserved horizontal spacing in the result.
  +
 
=Conclusion=
 
=Conclusion=
 
Using the <nowiki><nowiki></nowiki></nowiki> tag pair inside a <nowiki><pre></pre></nowiki> tag pair has no additional effect.
 
Using the <nowiki><nowiki></nowiki></nowiki> tag pair inside a <nowiki><pre></pre></nowiki> tag pair has no additional effect.

Revision as of 23:10, 30 November 2011

These are a series of tests of combining the <nowiki> and <pre> tags. This is motivated by the results seen after a migration utility was used on pages encoded in another wiki syntax for use in a replacement MediaWiki. The most important question is, is there a reason to use both of these tags together? If so, what is the effect of various nestings of the two tags?

Contents

Surrounding arbitrary text

Using only one tag

Placing all the tokens on one line in the source

No leading or trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</nowiki>
Display:
Lorem ipsum dolor sit amet, consectetur adipiscing elit.

<pre></pre> alone

Source:
<pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</pre>
Display:

Lorem ipsum dolor sit amet, consectetur adipiscing elit.

Leading and trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>  Lorem  ipsum  dolor  sit  amet,  consectetur  adipiscing  elit.  </nowiki>
Display:
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Note: minimum white space is used in the result.

<pre></pre> alone

Source:
<pre>  Lorem  ipsum  dolor  sit  amet,  consectetur  adipiscing  elit.  </pre>
Display:

  Lorem  ipsum  dolor  sit  amet,  consectetur  adipiscing  elit.  

Note: white space is preserved in the result

Placing each token on a separate line in the source

No leading or trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>
Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.
</nowiki>

Display:
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Note: the result is the same as placing all the tokens on one line in the source.

<pre></pre> alone

Source:
<pre>
Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.



Display:

Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.

Note: each token between the tags is placed on a separate line.

Leading and trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>


  Lorem  
  ipsum  
  dolor  
  sit  
  amet,  
  consectetur  
  adipiscing  
  elit.  


</nowiki>

Display:
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Note: the result is the same as placing all the tokens on one line in the source.

<pre></pre> alone

Source:
<pre>


  Lorem  
  ipsum  
  dolor  
  sit  
  amet,  
  consectetur  
  adipiscing  
  elit.  



Display:


  Lorem  
  ipsum  
  dolor  
  sit  
  amet,  
  consectetur  
  adipiscing  
  elit.  

Note: each token between the tags is placed on a separate line with, at least, leading white space, including vertical white space.

Using both tags

Placing all the tokens on one line in the source

No leading or trailing white space

<nowiki> first, then <pre>

Source:
<nowiki><pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</pre></nowiki>
Display:
<pre>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</pre>
Note: the <pre> tag is displayed rather than consumed.

<pre> first, then <nowiki>

Source:
<pre><nowiki>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</nowiki></pre>
Display:

Lorem ipsum dolor sit amet, consectetur adipiscing elit.

Note: both tags are consumed.

Leading and trailing white space

<nowiki> first, then <pre>

Source:
<nowiki><pre>  Lorem  ipsum  dolor  sit  amet,  consectetur  adipiscing  elit. </pre></nowiki>
Display:
<pre> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </pre>
Note: the <pre> tag is displayed rather than consumed and the white space after the tag is minimized.

<pre> first, then <nowiki>

Source:
<pre><nowiki>  Lorem  ipsum  dolor  sit  amet,  consectetur  adipiscing  elit.  </nowiki></pre>
Display:

  Lorem  ipsum  dolor  sit  amet,  consectetur  adipiscing  elit.  

Note: both tags are consumed and the white space is preserved.

Placing each token on a separate line in the source

No leading or trailing white space

<nowiki> first, then <pre>

Source:
<nowiki>
<pre>

Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.
</pre>
</nowiki>

Display:
<pre> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </pre>
Note: the <pre> tag is displayed rather than consumed and white space is used between the tag and the next/previous token.

<pre> first, then <nowiki>

Source:
<pre>
<nowiki>

Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.
</nowiki>



Display:


Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.

Note: the additional vertical spacing in the result.

Leading and trailing white space

<nowiki> first, then <pre>

Source:
<nowiki>
<pre>


  Lorem  
  ipsum  
  dolor  
  sit  
  amet,  
  consectetur  
  adipiscing  
  elit.  


</pre>
</nowiki>

Display:
<pre> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </pre>
Note: the <pre> tag is displayed rather than consumed and white space is used between the tag and the next/previous token.

<pre> first, then <nowiki>

Source:
<pre>
<nowiki>


  Lorem  
  ipsum  
  dolor  
  sit  
  amet,  
  consectetur  
  adipiscing  
  elit.  


</nowiki>



Display:


  Lorem  
  ipsum  
  dolor  
  sit  
  amet,  
  consectetur  
  adipiscing  
  elit.  

Note: the additional vertical spacing and preserved horizontal spacing in the result.

Surrounding a Universal Record Locator (URL)

The Universal Record Locator (URL) data is:
https://secure.wikimedia.org/

Using only one tag

Placing all the tokens on one line in the source

No leading or trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>https://wikimediafoundation.org/wiki/Home</nowiki>
Display:
https://secure.wikimedia.org/

<pre></pre> alone

Source:
<pre>https://secure.wikimedia.org/</pre>
Display:

https://secure.wikimedia.org/

Leading and trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>  https://secure.wikimedia.org/  </nowiki>
Display:
https://secure.wikimedia.org/
Note: minimum white space is used in the result.

<pre></pre> alone

Source:
<pre>  https://secure.wikimedia.org/  </pre>
Display:

  https://secure.wikimedia.org/  

Note: white space is preserved in the result

Placing each token on a separate line in the source

No leading or trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>
https://secure.wikimedia.org/

Display:
https://secure.wikimedia.org/
Note: the result is the same as placing all the tokens on one line in the source.

<pre></pre> alone

Source:
<pre> https://secure.wikimedia.org/



Display:

https://secure.wikimedia.org/

Note: each token between the tags is placed on a separate line.

Leading and trailing white space

<nowiki></nowiki> alone

Source:
<nowiki>


  https://secure.wikimedia.org/  


</nowiki>

Display:
https://secure.wikimedia.org/
Note: the result is the same as placing all the tokens on one line in the source.

<pre></pre> alone

Source:
<pre>


  https://secure.wikimedia.org/  



Display:


  https://secure.wikimedia.org/  

Note: each token between the tags is placed on a separate line with, at least, leading white space, including vertical white space.

Using both tags

Placing all the tokens on one line in the source

No leading or trailing white space

<nowiki> first, then <pre>

Source:
<nowiki><pre>https://secure.wikimedia.org/</pre></nowiki>
Display:
<pre>https://secure.wikimedia.org/</pre>
Note: the <pre> tag is displayed rather than consumed.

<pre> first, then <nowiki>

Source:
<pre><nowiki>https://secure.wikimedia.org/</nowiki></pre>
Display:

https://secure.wikimedia.org/

Note: both tags are consumed.

Leading and trailing white space

<nowiki> first, then <pre>

Source:
<nowiki><pre>  https://secure.wikimedia.org/  </pre></nowiki>
Display:
<pre> https://secure.wikimedia.org/ </pre>
Note: the <pre> tag is displayed rather than consumed and the white space after the tag is minimized.

<pre> first, then <nowiki>

Source:
<pre><nowiki>  https://secure.wikimedia.org/  </nowiki></pre>
Display:

  https://secure.wikimedia.org/  

Note: both tags are consumed and the white space is preserved.

Placing each token on a separate line in the source

No leading or trailing white space

<nowiki> first, then <pre>

Source:
<nowiki>
<pre>

https://secure.wikimedia.org/
</pre>
</nowiki>

Display:
<pre> https://secure.wikimedia.org/ </pre>
Note: the <pre> tag is displayed rather than consumed and white space is used between the tag and the next/previous token.

<pre> first, then <nowiki>

Source:
<pre>
<nowiki>

https://secure.wikimedia.org/
</nowiki>



Display:


https://secure.wikimedia.org/

Note: the additional vertical spacing in the result.

Leading and trailing white space

<nowiki> first, then <pre>

Source:
<nowiki>
<pre>


  https://secure.wikimedia.org/  


</pre>
</nowiki>

Display:
<pre> https://secure.wikimedia.org/ </pre>
Note: the <pre> tag is displayed rather than consumed and white space is used between the tag and the next/previous token.

<pre> first, then <nowiki>

Source:
<pre>
<nowiki>


  https://secure.wikimedia.org/  


</nowiki>



Display:


  https://secure.wikimedia.org/  

Note: the additional vertical spacing and preserved horizontal spacing in the result.

Conclusion

Using the <nowiki></nowiki> tag pair inside a <pre></pre> tag pair has no additional effect.