Confusing warning

Message  "warning: discontiguous predicate foo/2 - clause ignored"
 is confusing. 

I find it confusing because:
- non-english native speaker doesn't know meaning of word
"discontiguous". - mixing clauses does not affect declarative nor
semantic correctness (as long as all foo/2 are in correct order).

I suggest this one: "warning: clauses of foo/2 should be
together". (I think it complies with GNU standarts too.)

( Story: I copied & pasted my source from book. It was the first
program containing >=10 lines. I figured out what the warning
ment only after consulting my source in SWI-Prolog. SWI's message
was much more cleaner ("Clauses of foo/2 are not together in the
source file"). )  
(I haven't any practical experience until yesterday but I have
passed theoretical Prolog course.)

I am sorry for any inconvenience caused by my poor english.

Petr Hluzin


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