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}}
<!-- Add categories and interwikis to the /doc subpage, not here! -->
</noinclude>