build: avoid concurrent extraction of calc++.

[bison.git] / TODO

diff --git a/TODO b/TODO
index 4bcb3a65900ca2c392d389b300c54f9fb57c8816..376ec1d7b97284197a00e0474855640c36c9a309 100644 (file)
--- a/TODO
+++ b/TODO
@@ -54,6 +54,22 @@ number for the error token, which POSIX wants to be 256, but which
 Bison might renumber if the user used number 256.  Keep fix and doc?
 Throw away?
 
+Also, why don't we output the token name of the error token in the
+output?  It is explicitly skipped:
+
+      /* Skip error token and tokens without identifier.  */
+      if (sym != errtoken && id)
+
+Of course there are issues with name spaces, but if we disable we have
+something which seems to be more simpler and more consistent instead
+of the special case YYERRCODE.
+
+   enum yytokentype {
+     error = 256,
+     // ...
+   };
+
+
 We could (should?) also treat the case of the undef_token, which is
 numbered 257 for yylex, and 2 internal.  Both appear for instance in
 toknum: