Last modified: 2010-05-15 15:38:37 UTC

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Bug 2920 - empty templates should generate nothing instead of <p><br /></p>
empty templates should generate nothing instead of <p><br /></p>
Status: RESOLVED INVALID
Product: MediaWiki
Classification: Unclassified
Templates (Other open bugs)
1.5.x
All All
: Normal normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
http://test.leuksman.com/index.php/Te...
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2005-07-21 07:06 UTC by lɛʁi לערי ריינהארט
Modified: 2010-05-15 15:38 UTC (History)
1 user (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description lɛʁi לערי ריינהארט 2005-07-21 07:06:27 UTC
Hallo!

http://test.leuksman.com/index.php/Template:4x4_type_square/T/leuksman/all#T057
is a copy of [[meta:Template:4x4_type_square/T/leuksman/all#T057]] where
*"filtering"* is aplied by replacing
{{4x4_type_square/T/leuksman/all/details|SHOWORDER2=y|SHOWORDER3=y|SHOWORDER4=y|SHOWORDER6=y|SHOWORDER8=y}}
with
{{4x4_type_square/T/leuksman/all/details|SHOWORDER2=|SHOWORDER3=|SHOWORDER4=y|SHOWORDER6=|SHOWORDER8=}}
This filtering displays only selected *"records"* and should be used in preview.

See the screen dump at:
http://jadesukka.homelinux.org:8180/betawiki/Image:Template_rendering_01.jpg

The templates
http://test.leuksman.com/index.php/Template:4x4_type_square/T/leuksman/all/show/
[[meta:Template:4x4_type_square/T/leuksman/all/show/]]
contain just
<!-- don't delete this -->
Nevertheless the *"record"* T062 at meta (and test.leuksman) would generat lots
of "<p><br /></p>" in the last cell.

<tr>
<td><font id="T064"></font><a
href="/w/index.php?title=Template:4x4_type_square/T064&amp;action=edit"
class="new" title="Template:4x4 type square/T064">T064</a></td>
<td>33 03 13 23<br />
30 00 10 20<br />
31 01 11 21<br />
32 02 12 22</td>
<td>15 04 14 01<br />

06 09 07 12<br />
03 16 02 13<br />
10 05 11 08</td>
<td align="left"> </td>
<td align="center">4</td>
<td><a href="#T064" title="">#T064</a> <a href="#T011" title="">#T011</a> <a
href="#T054" title="">#T054</a> <a href="#T001" title="">#T001</a><br />

<a href="#T001" title="">#T001</a> <a href="#T011" title="">#T011</a> <a
href="#T054" title="">#T054</a> <a href="#T064" title="">#T064</a><br />
<a href="#T054" title="">#T054</a> <a href="#T011" title="">#T011</a> <a
href="#T064" title="">#T064</a> <a href="#T001" title="">#T001</a></td>
<td><a href="/w/index.php?title=Template:4x4_type_square/T/more&amp;action=edit"
class="new" title="Template:4x4 type square/T/more">T064</a>

<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
<p><br /></p>
</td>
</tr>

notes on compatibility:
It is quite important to have influenece on what is generated with a template.
I can imagine that some templates are designed / specified *as the template
rendering* works in the past / works now. This will be so forever and ajustments
should / must be made.
However *no* automatisms (as insertion of code) should be done by MediaWiki
software. If someone *wants* a <br /> somewhere he / she should specify it. This
consideration should be taken into account as a basic principle and not "This
change makes harm to my template, to this and that template.", "This method
makes my life easier." etc.

Best regards Reinhardt [[user:gangleri]]

compare with bug 826: "feature request: "empty template" as
{{|parameter1|parameter2}} should be ignored"
Comment 1 lɛʁi לערי ריינהארט 2005-12-04 18:30:31 UTC
Hallo!

I found a workaround:

You can see at
http://test.leuksman.com/index.php?title=Template:4x4_type_square/T/leuksman/all/show/&diff=10118&oldid=8942
That I replaced the empty template containing just
<!-- don't delete this -->
with
&#8203;
This is
Unicode Character ZERO WIDTH SPACE - U+200B
http://www.fileformat.info/info/unicode/char/200b/index.htm
HTML Entity (decimal) &#8203; – (hex) &#x200b; – UTF-8 (hex) 0xE2 0x80 0x8B (e2808b)

in the page source of
http://test.leuksman.com/index.php/Template:4x4_type_square/T/leuksman/all#T057
you can see that the rendereing generates now

<tr>
<td> <font id="T057" /></font>

<p><a href="/edit/Template:4x4_type_square/T057" class="new" title="Template:4x4
type square/T057">T057</a>
... more ...
</td><td> <a href="/edit/Template:4x4_type_square/T/more" class="new"
title="Template:4x4 type square/T/more">T057</a>
<p>&#8203;
&#8203;
&#8203;
&#8203;
&#8203;
&#8203;
</p>
</td></tr>

This rendering is acceptable. The optimal solution would be that an empty
template or a template containing only a comment should generate *nothing*.

best regards reinhardt [[user:gangleri]]
Comment 2 lɛʁi לערי ריינהארט 2006-04-15 03:47:57 UTC
This bug report is INVALID.

See http://test.leuksman.com/view/Template:View

*note*

{{empty}}
{{empty}}
{{empty}}
{{empty}}

is equivalent with

<new line>
<new line>
<new line>
<new line>

At some point empty paragraphs are generated. Sorry for opening this bug.

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