func ErrNotFound(variable string) error {
	return LiquidError(fmt.Sprintf("Liquid::ErrorNotFound %v", variable), nil)
}
ErrNotFound wraps a missing variable error
package liquid
import (
	"fmt"
)
type ErrSyntax string
func (e ErrSyntax) Error() string {
	return fmt.Sprintf("Liquid syntax error: %v", string(e))
}
type liquidContext interface {
	String() string
}
func LiquidError(err string, context liquidContext) error {
	return fmt.Errorf("%v - %v", err, context)
}