"Parse error" when an expression contains ';' or ','

[tiborbors]

Concatenation with comma or semicolon cause a parsing error, for example:

ERROR: Parse error at line 318 column 74:
318:   DECLARE foundValueAtPos INTEGER POSITION(',' || movementType || ',' IN ',' || exceptionEnabled || ',');

ERROR: Parse error at line 79 column 62:
79:        SET toAddress = TRIM(';' FROM COALESCE(toAddress, '') || ';' || emailAddress);