doc: Correct typo in C code sample in manual

diff --git a/doc/flex.texi b/doc/flex.texi
index 65ae41951a1bd4b13a1ac8d92de4d3bb4b18a383..bccab1ea429dd2c7a1ec8ccdb7252977cb736cc6 100644 (file)
--- a/doc/flex.texi
+++ b/doc/flex.texi
@@ -2182,7 +2182,7 @@ manages its own input buffer stack manually (instead of letting flex do it).
             }
 
     <<EOF>> {
-            if ( --include_stack_ptr  0 )
+            if ( --include_stack_ptr == 0 )
                 {
                 yyterminate();
                 }