297 bytes added
	
		,  10:05, 13 March 2018
	
 
m{{#iferror: {{#expr: 1 + {{{data|}}} }} 
| {{{data|}}}   <!--Not a number, return "data" as is--> 
| {{{ {{{data|}}} |}}}   <!--"data" is a number, return that numbered parameter-->
}}<noinclude>
{{documentation}}
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</noinclude>