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| <includeonly>{{{{{|safesubst:}}}{{{{{|safesubst:}}}#if:{{{1}}}|p1|p2}}|{{{2}}}|{{{3|}}}}}</includeonly><noinclude><div class="template-documentation" style="margin-top:1em;">{{#if:defaultnotblank|<div style="padding-bottom:3px; border-bottom:1px solid #aaa; margin-bottom:1ex;"> | | <includeonly>{{ {{{|safesubst:}}}{{ {{{|safesubst:}}}#if:{{{1}}}|p1|p2}}|{{{2}}}|{{{3|}}}}}</includeonly><noinclude>{{Documentation}} |
| <span style="font-size:150%">Documentation</span></div>}}
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| {{Documentation subpage}}
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| With this template [[mw:Help:Extension:ParserFunctions|#if]] can be used in a way such that it does not [[m:Help:Newlines_and_spaces#Stripping_on_expansion|strip spaces and newlines]] from the "then" and "else" part. For evaluating the condition spaces and newlines are stripped like with ParserFunctions.
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| ==Usage==
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| *<code><nowiki>{{ifnotempty|x| p | q }}</nowiki></code> gives "{{ifnotempty|x| p | q }}"
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| *<code><nowiki>{{ifnotempty|| p | q }}</nowiki></code> gives "{{ifnotempty|| p | q }}"
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| Compare:
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| *<code><nowiki>{{#if:x| p | q }}</nowiki></code> gives "{{#if:x| p | q }}"
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| ==Internal technical details==
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| For evaluating the condition the template uses the actual parser function; however, not directly with p and q, because this strips spaces and newlines from the result, but with index values 1 and 2. The result can be 1, 2. The template with the applicable name is called ([[Template:P1]] or [[Template:P2]]), with as parameters p and q.
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| ==See also==
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| *[[Template:If]]
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| *[[m:Template:Ifnotempty]]
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| {{refs}}
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| [[[Category:If-then-else templates]]
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| </noinclude> | | </noinclude> |
Latest revision as of 10:54, 17 November 2023
