https://bugzilla.wikimedia.org/show_bug.cgi?id=30651
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Bug #: 30651
Summary: Form field "default=" templates etc do not work
without a space at the end
Product: MediaWiki extensions
Version: any
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: SemanticForms
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Some research showed that this bug has been discovered before, but was never
reported:
http://www.mediawiki.org/wiki/Extension_talk:Semantic_Forms/Archive_May_to_June_2011#Parser_functions_in_default_field_values
This bug is triggered when a field looks like this:
{{{field|MyPropertyName|default={{ANYTHING IN DOUBLE CURLY BRACES}}}}} (Some
instruction text)
Which will produce a field that looks like this (Field shown in square
brackets):
[ {{ANYTHING IN DOUBLE CURLY BRACES ] }} (Some instruction text)
Putting a space after the template, before the closing "}}}" will resolved the
problem:
{{{field|MyPropertyName|default={{ANYTHING IN DOUBLE CURLY BRACES}} }}} (Some
instruction text)
This bug is triggered by templates, parser functions, magic words, and anything
else that is in double curly braces. I tested all three of those, but did not
test parameters, which are in triple curly braces.
Tested:
* {{Template:Any template}}
* {{#Any: parser function}}
* {{ANYMAGICWORD}}
Not tested, but probably also triggers the bug:
* {{{Any template parameter|}}}
I assume anything in curly braces will trigger the bug. I don't think this
problem is in the mediawiki parser, but I have not verified that. I think the
problem is in Semantic Forms.
This problem has been giving me grief since the beginning, and I could not
figure out why nothing I did ever worked. I will update the documentation with
a brief explanation, and a link to this bug, so people don't get stuck.
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