This template is used to create a grayed-out 
check-mark or 
x-mark.
Usage
{{Checkmark|Yes}}
Examples
{{Checkmark|Yes}}
{{Checkmark|Y}}
{{Checkmark|True}}
{{Checkmark|T}}
Will all create a symbol.
{{Checkmark|No}}
{{Checkmark|N}}
{{Checkmark|False}}
{{Checkmark|F}}
Will all create an symbol.