https://bugzilla.wikimedia.org/show_bug.cgi?id=22297
Summary: There should be syntax for substitution that doesn't
break normal transclusion
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: Normal
Component: Templates
AssignedTo: wikibugs-l@lists.wikimedia.org
ReportedBy: conrad.ir...@gmail.com
Blocks: 5453
At the moment it is not possible to create a template that substitutes the
results of parser functions when substituted and that also works when the
template is not substitued.
For example of current status:
Template:X {{<includeonly>subst:</includeonly>#if:{{{1|}}}|1|2}}
{{subst:X}} is transformed into "2" as expected, but
{{X}} generates "{{subst:#if:|1|2}}" - ooops.
This feature can be used to good advantage, and some templates use a
conditional around something that subst:s to nothing to warn users that they
must substitute the template.
I would like to propose an additional prefix "safesubst:" or words to that
effect, which gives the same result in both cases above.
Template:X {{<includeonly>safesubst:</includeonly>#if:{{{1|}}}|1|2}}
{{subst:X}} is transformed into "2", as before
{{X}} generates "2" when it is rendered, as expected, and
{{safesubst:X}} works exactly like {{subst:X}}
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