On Wed, 10 Oct 2012, Ondřej Kunčar wrote:
This problem refers to 3fc6b3289c31.
If I type in this simple formalization
lemma c: "x = x"
by metis
thm c
the following theorem is printed "?x = ?x [?]". What is that suspicious
question mark? It seems to be produced by any metis call. And it is
reproducible almost always.
This is the normal result of printing Thm.status_of in the traditional
way. It is now getting in the way, because terminal proofs ('by') are
always parallel in Isabelle/jEdit.
I am about to rework this critical kernal status information, but it
requires some more thinking. Last time I changed something there, it was
immediately reported as "problem" that fewer [!] were printed as before.
Makarius_______________________________________________
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