1 files changed, 2 insertions, 1 deletions
diff --git a/lisp.l b/lisp.l
index 5ad5c57..20b64af 100644
--- a/lisp.l
+++ b/lisp.l
@@ -7,7 +7,8 @@ int tcnt = 0;
 %}
 
 %%
-[[:space:]]+      {  /*ignore whitespace*/}
+[[:space:]]+    { /* ignore whitespace */ }
+";"[^\n]*       { /* ignore comment */   }
 "("             {  return LPAREN; }
 ")"             {  return RPAREN; }
 "\."            {  return DOT; }