src/HOL/Option.thy
2018-11-10 haftmann clarified status of legacy input abbreviations
2018-06-17 nipkow added simp rules
2018-04-20 haftmann moved lemma to more appropriate place
2018-01-10 nipkow ran isabelle update_op on all sources
2017-11-26 wenzelm more symbols;
2017-08-07 blanchet tuning imports
2016-08-10 nipkow "split add" -> "split"
2016-06-22 wenzelm bundle lifting_syntax;
2016-05-31 eberlm Added code generation for PMFs
2015-12-07 wenzelm isabelle update_cartouches -c -t;
2015-11-11 Andreas Lochbihler add various lemmas
2015-08-31 wenzelm proper qualified naming;
2015-08-31 wenzelm misc tuning and modernization;
2015-07-18 wenzelm isabelle update_cartouches;
2015-02-11 Andreas Lochbihler more transfer rules
2015-02-11 Andreas Lochbihler add lemmas about functions on option
2015-02-11 Andreas Lochbihler tuned proof
2014-11-07 traytel more complete fp_sugars for sum and prod;
2014-11-04 lammich Added Option.bind_split{,_asm,s}
2014-11-02 wenzelm modernized header uniformly as section;
2014-09-11 blanchet updated news
2014-09-02 blanchet tuned imports
2014-09-01 blanchet renamed BNF theories
2014-09-01 blanchet renamed modules defining old datatypes, as a step towards having 'datatype_new' take 'datatype's place
2014-05-30 blanchet tuned whitespace, to make datatype definitions slightly less intimidating
2014-05-26 blanchet got rid of '=:' squiggly
2014-03-03 blanchet rationalized internals
2014-02-17 blanchet renamed 'datatype_new_compat' to 'datatype_compat'
2014-02-16 blanchet folded 'Option.set' into BNF-generated 'set_option'
2014-02-14 blanchet renamed 'enriched_type' to more informative 'functor' (following the renaming of enriched type constructors to bounded natural functors)
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