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+ TXR 285
+ 2023-03-28
+
+
+ Features
+
+ - Lib:
+ - time (on platforms that have a timezone field in struct tm):
+ - functions which convert a destructured time into a
+ numeric time, like time-parse-utc, now take the time zone into
+ account, and add a displacement.
+ - functions which format time now via strftime now set the time
+ zone field in the underlying struct tm, so that the %z specifier
+ featured in glibc's strftime can be meaningfully used.
+ - New function: ignore: synonym of nilf, intended for suppressing
+ unbound variable warnings
+ - New function: arithp: tests for arithmetic objects, including
+ ranges and structures with + method.
+ - range/range*: these functions now support non-arithmetic
+ types: e.g (range "AAA" "ZZZ" 2) generates ("AAA" "AAC" ...
+ "ZZW" "ZZY").
+
+ - TXR Pattern Language:
+ - fix exception being thrown in matching a bound variable whose
+ value is a lazy list of strings rather than ordinary list.
+ - e.g. value captured with @(data ...)
+
+ - Structural Pattern Matching:
+ - @nil is now supported in predicates.
+ - @(< @nil 42) is like @(< @a 42) but no variable is bound.
+
+ - Syntax:
+ - The symbol t can be used in macro parameter lists and tree-bind,
+ to specify a pseud-variable which just throws away the
+ corresponding value.
+
+ - Compiler:
+ - New options mechanism:
+ - compile-options struct type
+ - *compile-options* special variable.
+ - with-compile-options macro
+ - New unused variable warnings are on by default.
+
+ Bugs
+
+ - build: fixed regression in building without CONFIG_GEN_GC
+ or CONFIG_DEBUG_SUPPORT, which are 1 by default.
+ - gc:
+ - premature reclamation bug in lisp_parse_impl which is used
+ internally and as the implementation for functions that parse
+ Lisp, regex and JSON.
+ - premature reclamation bug in implementation of FFI enum types:
+ neglect to traverse a struct member during gc marking.
+ - premature bug in constructor for FFI structs: neglect
+ to protect member types from gc in the loop that processes struct
+ members.
+ - printer:
+ - [] object now prints as [] rather than [. nil],
+ which isn't incorrect, just ugly.
+ - search tree objects now print as #T(...) beyond the maximum
+ printing depth, just like #H(...) and others.
+ - Vim:
+ - Fixed syntax highlighting for decimal integers and
+ uninterned symbols.
+
+
+
TXR 284
2022-12-30