snapshot?

TODO

@@ -208,6 +208,11 @@ server.
    instead (I know, this is microoptimization, but this function gets
    called a *lot*)
 
+   Measurements shows that more than 95% of the calls to s_fcrea_str
+   originates from prot_a_get_token.  They also show that
+   s_fcrea_str and its descendants uses approximately 22 out of
+   35000 seconds.
+
 ** Change log.c to something better.
 
 ** Look over all places where restart_kom is called. Frequently the
@@ -292,6 +297,8 @@ server.
 ** Add a separate subject field (a short string) to the Text-stat. 
    Problems: should the subject be restricted to ISO 8859-1?
 
+** Remove cache_node.s.snapshot (in cache-node.h).  It is unused.
+
 * Lower priority than the above-mentioned things.
 
 ** isc_disable()/isc_enable() should be used, so that a single session