I don't like the name `cursor'. I much prefer short names
like `p' for index variables. I doubt I'll change all of them,
but thought you should know why some will probably end up changing.
+
+#define USE_OBSTACK somewhere
+
+Fix this comment. Depending on system and application...
+Mention fragmentation.
+ +#if USE_OBSTACK
+ + /* Whenever obstacks are used, it is possible to allocate all overflowed
+ + entries into a single stack, so they all can be freed in a single
+ + operation. It is not clear if the speedup is worth the trouble. */
+ + struct obstack entry_stack;
+ +#endif
+
+
+assert (bucket_limit - bucket == n_buckets) ?