Added tag Isabelle2015-RC2 for changeset 8483c2883c8c

always traverse required nodes, e.g. relevant for inlined errors of imported theory header;

tuned;

tuned message, in accordance to ML side;

tuned settings to avoid sporadic crashes;

clarified settings for default Poly/ML version: test the actual Isabelle component;

avoid binding warning in Nitpick

doc

clarified permissions;

allow diagnostic proof commands with skip_proofs;

tuned signature;

updated polyml according to fixes-5.5.2 SVN version 2009;

declare Nitpick atoms to avoid '??.' prefixes in output

proper isatest machine;

prefer lmodern, which produces scalable T1 fonts even with Debian-ized TeXLive;

this warning is hardly useful but produces noisy markers in the jedit interface

undid 6d7b7a037e8d because it does not help but slows simplification down by up to 5% (AODV)

generalized tends over powr; added DERIV rule for powr

added acknowledgment

general Taylor series expansion with integral remainder

generalized class constraints

generalized differentiable_bound; some further variations of differentiable_bound

moved basic lemmas about has_vector_derivative

closures of intervals

add lfp/gfp rule for nn_integral

strengthened lfp_ordinal_induct; added dual gfp variant

add rules for least/greatest fixed point calculus

rename continuous and down_continuous in Order_Continuity to sup_/inf_continuous; relate them with topological continuity

no more simp_legacy_precond

no longer needed