https://bugzilla.wikimedia.org/show_bug.cgi?id=31865
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Bug #: 31865
Summary: Tag <dws> for discarding whitespaces.
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: Unprioritized
Component: Parser
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
I propose tag <dws>. Preprocessor should discard the tag and all the
whitespaces after it. Primary purpose of the tag -- freestyle formatting for
templates. Let us consider an example:
* Some introductory text {{ template1 | param1=value1 | param2=value2 |
param3=value3 | ... }} continuation {{ template2 | param1=value1 |
param2=value2 | param3=value3 | ... }} and, finally, finish.
Not too readable. I would like to reformat it, use linebreaks and indents for
better readability. Since leading and trailing whitespace is often ignored in
templates, the example could be reformatted to:
* Some introductory text {{ template1
| param1=value1
| param2=value2
| param3=value3
| ...
}} continuation {{ template2
| param1=value1
| param2=value2
| param3=value3
| ...
}} and, finally, finish.
I can add indents:
* Some introductory text {{ template1
| param1=value1
| param2=value2
| param3=value3
| ...
}} continuation {{ template2
| param1=value1
| param2=value2
| param3=value3
| ...
}} and, finally, finish.
or add linebreak before template name:
* Some introductory text {{
template1
| param1=value1
| param2=value2
| param3=value3
| ...
}} continuation {{
template2
| param1=value1
| param2=value2
| param3=value3
| ...
}} and, finally, finish.
but anyway, braces must remain on the same line with surrounding text.
Using <dws> the example could be reformatted to:
* Some introductory text <dws>
{{ template1
| param1=value1
| param2=value2
| param3=value3
| ...
}} <dws>
continuation <dws>
{{ template2
| param1=value1
| param2=value2
| param3=value3
| ...
}} <dws>
and, finally, finish.
Much better to my taste.
This is a simple example. The more complex template code, the more value of
good formatting.
Other possible applications:
1. Unnamed leading and trailing whitespaces are not ignored in unnamed template
arguments. <dws> may be used to format code:
{{ some template with unnamed arguments
|first unnamed argument value<dws>
|second unnamed argument value<dws>
}}
2. If someone wants to avoid too long lines in wiki code:
* Linebreak terminates list element, <dws>
so entire element must be written in one long line. <dws>
But tag dws allows writing it in multiple short lines.
I think there are even more applications... I have been using the tag in my
templates for some time and found in extremely helpful.
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