For invalid lines it is assumed that the user want’s to enter an operator
line. It is checked for invalid key and operator.
Braces in access are shown in the line where they occur.
Missing closing braces are detected at conditions and at the end of the
template.
An unclosed multiline comment is detected at the end of the template.
Multiline comments can be used to comment out parts of the script. Included
elements like conditions don’t result in an error.
An unclosed multiline value is detected at the end of the template.