NEWS
changeset 62205 ca68dc26fbb6
parent 62201 eca7b38c8ee5
child 62208 ad43b3ab06e4
     1.1 --- a/NEWS	Tue Jan 19 11:46:54 2016 +0100
     1.2 +++ b/NEWS	Tue Jan 19 14:00:47 2016 +0100
     1.3 @@ -194,9 +194,9 @@
     1.4  
     1.5  *** Isar ***
     1.6  
     1.7 -* Local goals ('have', 'show', 'hence', 'thus') allow structured
     1.8 -rule statements like fixes/assumes/shows in theorem specifications, but
     1.9 -the notation is postfix with keywords 'if' (or 'when') and 'for'. For
    1.10 +* Local goals ('have', 'show', 'hence', 'thus') allow structured rule
    1.11 +statements like fixes/assumes/shows in theorem specifications, but the
    1.12 +notation is postfix with keywords 'if' (or 'when') and 'for'. For
    1.13  example:
    1.14  
    1.15    have result: "C x y"
    1.16 @@ -240,7 +240,8 @@
    1.17  
    1.18  * The meaning of 'show' with Pure rule statements has changed: premises
    1.19  are treated in the sense of 'assume', instead of 'presume'. This means,
    1.20 -a goal like "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x" can be solved completely as follows:
    1.21 +a goal like "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x" can be solved completely as
    1.22 +follows:
    1.23  
    1.24    show "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x"
    1.25  
    1.26 @@ -401,12 +402,12 @@
    1.27  * Configuration option rule_insts_schematic has been discontinued
    1.28  (intermediate legacy feature in Isabelle2015). INCOMPATIBILITY.
    1.29  
    1.30 -* Abbreviations in type classes now carry proper sort constraint.
    1.31 -Rare INCOMPATIBILITY in situations where the previous misbehaviour
    1.32 -has been exploited.
    1.33 +* Abbreviations in type classes now carry proper sort constraint. Rare
    1.34 +INCOMPATIBILITY in situations where the previous misbehaviour has been
    1.35 +exploited.
    1.36  
    1.37  * Refinement of user-space type system in type classes: pseudo-local
    1.38 -operations behave more similar to abbreviations.  Potential
    1.39 +operations behave more similar to abbreviations. Potential
    1.40  INCOMPATIBILITY in exotic situations.
    1.41  
    1.42  
    1.43 @@ -471,7 +472,8 @@
    1.44  
    1.45  * Recursive function definitions ('fun', 'function', 'partial_function')
    1.46  expose low-level facts of the internal construction only if the option
    1.47 -"function_internals" is enabled. Rare INCOMPATIBILITY.
    1.48 +"function_internals" is enabled. Its internal inductive definition is
    1.49 +also subject to "inductive_internals". Rare INCOMPATIBILITY.
    1.50  
    1.51  * BNF datatypes ('datatype', 'codatatype', etc.) expose low-level facts
    1.52  of the internal construction only if the option "bnf_internals" is
    1.53 @@ -635,8 +637,8 @@
    1.54  
    1.55  * Class uniform_space introduces uniform spaces btw topological spaces
    1.56  and metric spaces. Minor INCOMPATIBILITY: open_<type>_def needs to be
    1.57 -introduced in the form of an uniformity. Some constants are more
    1.58 -general now, it may be necessary to add type class constraints.
    1.59 +introduced in the form of an uniformity. Some constants are more general
    1.60 +now, it may be necessary to add type class constraints.
    1.61  
    1.62    open_real_def \<leadsto> open_dist
    1.63    open_complex_def \<leadsto> open_dist
    1.64 @@ -794,7 +796,7 @@
    1.65  performance.
    1.66  
    1.67  * Property values in etc/symbols may contain spaces, if written with the
    1.68 -replacement character "␣" (Unicode point 0x2324).  For example:
    1.69 +replacement character "␣" (Unicode point 0x2324). For example:
    1.70  
    1.71      \<star>  code: 0x0022c6  group: operator  font: Deja␣Vu␣Sans␣Mono
    1.72  
    1.73 @@ -818,8 +820,8 @@
    1.74  is relevant both for Poly/ML and JVM processes.
    1.75  
    1.76  * Poly/ML default platform architecture may be changed from 32bit to
    1.77 -64bit via system option ML_system_64. A system restart (and rebuild)
    1.78 -is required after change.
    1.79 +64bit via system option ML_system_64. A system restart (and rebuild) is
    1.80 +required after change.
    1.81  
    1.82  * Poly/ML 5.6 runs natively on x86-windows and x86_64-windows, which
    1.83  both allow larger heap space than former x86-cygwin.