Changes

<includeonly>style="background: #ddddddffffdd; color: black; text-align: center" | {{{1| Yes/No}}}</includeonly><noinclude>

This template is designed to be used in a table to make a cell with "Yes/No" in that cell, with a grey light yellow background. To specify a different text, use like this: <nowiki>{{Yesno|Some [[alternate]] text}}</nowiki>