Problems with GHashTable

[tile primenet com]

After initializing a GHashTable variable, I try to insert a key/value pair
which are gchar pointers using g_hash_insert ().  It seems to insert fine, but
when I try to look the value up using _hash_lookup (), I get NULL.  I tried
g_strdup'ing the pointers; it still doesn't work.  It _does_ work when I put in
constant strings.  Can anyone explain why this happens and how I can fix it?

I'm using glib 1.1.6 and gtk+ 1.1.6.  Any help would be greatly appreciated.

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tile@primenet.com