Error in defining strings in .data section

In version 2.2.0 (win64) defining following strings in .data section throws compilation errors as reported in remarks:
```
.data

# Unmatched parenthesis
anystring1:   .string   "foo("
anystring2:   .string   "foo)"

# Stray '.' in line
anystring3:   .string   "foo(.)"
```


 