Template which rounds it's argument to an integer, rounding halves to the closest even integer.
No rounding:
{{RoundToEven|1}}: Expression error: Unexpected = operator.
{{RoundToEven|2}}: Expression error: Unexpected = operator.
{{RoundToEven|3}}: Expression error: Unexpected = operator.
Normal rounding:
{{RoundToEven|0.4}}: Expression error: Unexpected = operator.
{{RoundToEven|0.6}}: Expression error: Unexpected = operator.
{{RoundToEven|1.5}}: Expression error: Unexpected = operator.
{{RoundToEven|3.5}}: Expression error: Unexpected = operator.
Rounding to even:
{{RoundToEven|0.5}}: Expression error: Unexpected = operator.
{{RoundToEven|2.5}}: Expression error: Unexpected = operator.
{{RoundToEven|4.5}}: Expression error: Unexpected = operator.
{{RoundToEven|6.5}}: Expression error: Unexpected = operator.