diff --git a/.gitignore b/.gitignore
index 2f7896d1..2c96eb1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 target/
+Cargo.lock
diff --git a/src/parser.rs b/src/parser.rs
index 822d1fd7..5293579a 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -463,7 +463,7 @@ impl<'a> Iterator for TokenIterator<'a> {
                         }
                     }
                 }
-                ' ' | '\n' | '\r' => (),
+                _x if _x.is_whitespace() => (),
                 _ => return Some(Token::LexErr(LexError::UnexpectedChar)),
             }
         }