account for comment delimiters in strings

src/lex.rs

@@ -143,6 +143,10 @@ fn process(document: &String) -> Result<Box<Seg>, String> {
                 }
                 // eat the whole line
                 '#' | ';'  => {
+                    if is_str {
+                        token.push(c);
+                        continue;
+                    }
                     ign = true;
                     delim_stack.push('\n');
                 }