On Fri, 27 Apr 2012, Jasmin Christian Blanchette wrote:
With the latest Isabelle (44b33c1e702e), some attributes, e.g.
"unify_search" bound, give pairs of spurious warnings, e.g.
### Ignoring local change of global option "unify_search_bound"
even when they are declared globally, as in the theory below:
declare [[unify_search_bound = 55]]
The declarations are thankfully _not_ ignored.
This is now addressed in Isabelle/53668571d300, using Context_Position
visiblity to restrict output to messages that are considered relevant to
the user.
Makarius
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