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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
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+# Changelog
+All notable changes to the `l3kernel` bundle since the start of 2018
+will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+this project uses date-based 'snapshot' version identifiers.
+
+## [Unreleased]
+
+## [2019-08-25]
+
+### Added
+
+- `\fp_if_nan:nTF`
+
+### Changed
+
+- Make round(.,nan)=nan with no "Invalid operation" error
+
+### Fixed
+
+- `\tl_rescan:nn` and `\tl_(g)set_rescan:Nnn` when single-line input
+ contains a comment character (see #607)
+- Final value of the variable in `\tl_map_variable:NNn` and
+ `\clist_map_variable:NNn`.
+- Remove duplicate keys in `\prop_set_from_keyval:Nn` (see #572)
+
+## [2019-08-14]
+
+### Deprecated
+
+- `\c_term_ior`
+
+### Fixed
+
+- Coffin pole intersection in some cases (see #605)
+
+## [2019-07-25]
+
+### Fixed
+
+- Loading for `expl3` with plain TeX
+
+## [2019-07-01]
+
+### Added
+
+- Moved `lstr-convert` module to `l3kernel`
+
+### Changed
+
+- Ensure `\msg_fatal:nn` ends the TeX run if used inside an
+ hbox (see #587)
+- Moved backend code to a separate release schedule
+
+### Fixed
+
+- Handling of control sequences in key names (see #594)
+
+## [2019-05-28]
+
+### Added
+
+- Experimental `\file_compare_timestamp:nNn(TF)`
+
+### Changed
+
+- Precedence of juxtaposition (implicit multiplication) in l3fp
+ now different for keywords/variables and factors in parentheses
+
+## [2019-05-09]
+
+### Added
+
+- Experimental driver-level interfaces for image inclusion
+- Experimental `\ior_shell_open:Nn`
+
+### Fixed
+
+- Some issues in `dvisvgm` driver
+
+## [2019-05-07]
+
+### Added
+
+- `.muskip_set:N` property
+
+### Changed
+
+- Experimental `\driver_pdf_compress_objects:n` replaces
+ `\driver_pdf_objects_(en|dis)able:`
+
+## [2019-05-05]
+
+### Added
+
+- `\char_str_<target>_case:N`
+
+### Fixed
+
+- Infinite loop in some cases in DVI mode due to link-breaking code
+ (see #570)
+- Category code of output from `\char_<target>_case:N`, and
+ same issue in `\str_<target>_case:n`
+
+## [2019-05-03]
+
+### Added
+
+- New `l3legacy` module containing
+ - `\legacy_if:n(TF)`
+
+### Changed
+
+- Moved `\file_get_mdfive_hash:nN(TF)`, `\file_get_size:nN(TF)`
+ and `\file_get_timestamp:nN(TF)` to stable
+- Moved `\file_if_exist_input:n` and `\file_if_exist_input:nF` to stable
+- Moved `\file_input_stop:` to stable
+- Moved `\peek_N_type:TF` to stable
+
+## [2019-04-21]
+
+### Added
+
+- Experimental support for a range of PDF concepts at the lowest
+ (driver abstraction) level
+
+## [2019-04-06]
+
+### Changed
+
+- Moved `\tl_if_single_token:n(TF)` to stable
+
+### Fixed
+
+- Support for ConTeXt from mid-December 2018
+
+## [2019-03-26]
+
+### Fixed
+
+- Loading when pre-TL'18 XeTeX is in use (see #555)
+
+## [2019-03-05]
+
+### Added
+
+- `\str_log:n`, `\str_log:N`
+- `TF` versions for `\file_get_...:nN` and `\ior_(str_)get:NN` functions
+- `\cs_prefix_spec:N`, `\cs_argument_spec:N`, `\cs_replacement_spec:N`
+- `undo-recent-deprecations` option
+- `factorial` function in `l3fp`
+
+### Changed
+
+- Return values from `\file_get:nnN`, `\file_get_...:nN`, `\ior_get:NN`,
+ `\sys_shell_get:nnN`
+- Moved coffin affine transformations to stable
+- Moved `\prop_count:N` to stable
+- Moved `\tl_count_tokens:n` to stable
+- Completed emulation of e-type argument when `\expanded` is unavailable
+- Made expandable messages expand their result, like usual messages
+- Made deprecation errors less intrusive by default
+- Stopped providing do-nothing `\color` macro when undefined
+
+### Deprecated
+- `\token_get_prefix_spec:N`, `\token_get_arg_spec:N`,
+ `\token_get_replacement_spec:N` replaced by `\cs_prefix_spec:N`,
+ `\cs_argument_spec:N`, `\cs_replacement_spec:N`, respectively
+
+### Fixed
+
+- Treatment of inherited keys when setting only known keys (see #548)
+
+### Removed
+
+- Experimental `\skip_split_finite_else_action:nnNN`
+- Experimental `\tl_reverse_tokens:n`
+
+## [2019-02-15]
+
+### Changed
+
+- Defensive code for redefinition of `\time`, `\day`, `\month` and `\year`
+
+### Fixed
+
+- Resetting of key inheritance (see #535)
+- Issue in deprecated command `\tl_set_from_file:Nnn`
+ (see https://tex.stackexchange.com/q/474813/)
+
+## [2019-02-03]
+
+### Added
+
+- Support for return of whole path by `\keys_set_known:nnN`-like
+ function `\keys_set_known:nnnN` (see #508)
+- `.prop_(g)put:N` key property (see #444)
+
+### Fixed
+
+- Handling of nested key setting when filtering, _etc._ (see #526)
+- Inheritance of default values (see #504)
+
+## [2019-01-28]
+
+### Added
+
+- Global versions of box affine functions, e.g. `\box_grotate:Nn`
+- Global versions of box size adjustment functions
+- `\box_(g)set_eq_drop:NN`, `\(h|v)box_unpack_drop:N`
+- `\file_get:nnN` and `\file_get:nnNTF`
+- Experimental functions `\sys_shell_get:nnN` and `\sys_shell_get:nnNTF`
+
+### Changed
+
+- `\char_generate:nn` now always takes exactly two expansions
+- Move `\prg_generate_conditional_variant:Nnn` to stable
+- Renamed experimental `\box_trim:Nnnnn` and `\box_viewport:Nnnnn` as
+ `\box_set_trim:Nnnnn` and `\box_set_viewport:Nnnnn`, respectively
+
+### Deprecated
+
+- `\box_(g)set_eq_clear:NN`, replaced by `\box_(g)set_eq_drop:NN`
+- `\(h|v)box_unpack_clear:N`, replaced by `\(h|v)box_unpack_drop:N
+- `\tl_(g)set_from_file(_x):Nnn`, replaced by `\file_get:nnN`
+
+### Fixed
+
+- Scope treatment of `\box_set_dp:N`, _etc._
+- In (u)platex: detection of spaces in `\tl_rescan:nn` and related functions
+
+### Removed
+
+- Experimental function family `\tl_(g)set_from_shell:(N|c)nn`
+ (replaced by `\sys_shell_get:nnN`)
+
+## [2019-01-13]
+
+### Added
+
+- `\ior_map_variable:NNn` and `\ior_str_map_variable:NNn`
+
+### Fixed
+
+- Unclosed conditional with Unicode engines
+
+## [2019-01-12]
+
+### Changed
+
+- Improved `expl3` loading time with LuaTeX and XeTeX
+- Improved performance of `\ior_map_inline:Nn` and related functions
+
+### Fixed
+
+- Handling of accented characters under mixed case changing in 8-bit engines
+ (see #514)
+
+## [2019-01-01]
+
+### Added
+
+- `\iow_allow_break:`
+
+### Fixed
+
+- Correct fp randint with zero argument (see #507)
+- Handling of `\current@color` with (x)dvipdfmx` (see #510)
+
+### Removed
+
+- Support for stand-alone `l3regex`, `l3sort`, `l3srt`, `l3tl-analysis`,
+ `l3tl-build`
+- `\box_resize:Nnn`
+- `\box_use_clear:N`
+- `\c_minus_one`
+- `\file_add_path:nN`
+- `\file_list:`
+- `\file_path_include:n` and `\file_path_remove:n`
+- `\io(r|w)_list_streams:` and `\io(r|w)_log_streams:`
+- `\sort_ordered:` and `\sort_reversed:`
+- `\token_new:Nn`
+- Generation of invalid variants from `n`/`N` base types
+
+## [2018-12-12]
+
+### Changed
+
+- Move `\tl_range:nnn` to stable
+
+### Fixed
+
+- Loading in ConTeXt MkIV
+
+## [2018-12-11]
+
+### Changed
+
+- Enable `\char_generate:nn` to create active tokens with XeTeX
+
+## [2018-12-06]
+
+### Changed
+
+- Apply `\par` only at the end of vertical boxes
+- Move `\int_rand:n` to stable
+- Move `\<var>_rand_item:N` to stable
+
+### Fixed
+
+- Typo in `\lua_shipout_e:n` (see #503)
+
+## [2018-11-19]
+
+### Added
+
+- Support for cross-compatibility primitives in XeTeX
+- `\int_sign:n`, `\dim_sign:n` and `\fp_sign:n`
+
+## [2018-10-19]
+
+### Fixed
+
+- Wrapping of text in messages, etc., for some line lengths (fixes #491)
+
+## [2018-10-17]
+
+### Added
+
+- `\g_msg_module_documentation_prop` (see #471)
+- `\peek_remove_spaces:n`
+
+### Changed
+
+- Formatting of messages: now follows LaTeX2e closely
+
+### Deprecated
+
+- `\msg_interrupt:nn`, `\msg_log:n` and `\msg_term:n`
+
+### Fixed
+
+- Handling of inheritance for choice keys (fixes #483)
+
+## [2018-09-24]
+
+### Added
+- Some driver-level support for PDF features
+- `\peek_catcode_collect_inline:Nn`, `\peek_charcode_collect_inline:Nn`,
+ `\peek_meaning_collect_inline:Nn`
+
+### Fixed
+- Handling of unknown keys when inheritance is active (fixes #481)
+
+## [2018-08-23]
+
+### Added
+- `\lua_escape:e`, `\lua_now:e` and `\lua_shipout_e:n`
+- `\str_case_e:nn(TF)` and `\str_if_eq:ee(TF)`
+- `\sys_if_platform_unix:(TF)` and `\sys_if_platform_windows:(TF)`
+- `\tl_(g)set_from_shell:Nnn`
+
+### Deprecated
+- `\lua_escape_x:n`, `\lua_now_x:n` and `\lua_shipout_x:n`
+- `\str_case_x:nn(TF)` and `\str_if_eq_x:nn(TF)`
+
+## [2018-06-14]
+
+### Added
+- Support for `e`-type argument using `\expanded` or macro emulation
+
+## [2018-06-01]
+
+### Added
+- `CHANGELOG.md` (fixes #460)
+
+### Fixed
+- Loading `expl3` with LuaTeX/XeTeX and certain letter tokens set
+ to be active (see #462)
+
+### Changed
+- Alter `\char_codepoint_from_bytes:n` to produce four groups in all
+ cases; make `f`-type expandable
+
+## [2018-05-13]
+
+### Fixed
+- Cor­rect date string in `ex­pl3.dtx`
+- Cor­rect `\c_sys_en­gine_ver­sion_str` when using XeTeX
+
+## [2018-05-12]
+
+### Added
+- Define `\c_zero_int` and `\c_one_int`
+- Im­ple­ment `\c_sys_en­gine_ver­sion_str`
+- Im­ple­ment `\seq_in­dexed_map_func­tion/in­line`
+- Im­ple­ment `\in­tar­ray_gzero:N`
+- Im­ple­ment `\in­tar­ray_const_from_clist:Nn`
+- Im­ple­ment `\bool_set_in­verse:N`
+- Im­ple­ment `\bool_xor:nnTF` in­stead of just `\bool_xor_p:nn`
+- Im­ple­ment can­di­date `\int_rand:n`
+- Im­ple­ment `\in­tar­ray_gset_rand:Nnn`
+- Im­ple­ment can­di­date `l3f­par­ray` mod­ule
+
+## Changed
+- Up­date min­i­mal re­quired ver­sions of XeTeX and LuaTeX
+- Dep­re­cate named in­te­ger con­stants `\c_zero`. etc.
+- Move all prim­i­tives to `\tex_...:D names­pace`,
+ dep­re­cat­ing older en­gine-de­pen­dent pre­fixes
+- Several internal optimisations
+
+### Fixed
+
+- Ex­pand boolean ex­pres­sion be­fore call­ing `\chardef` (fixes #461)
+
+### Removed
+- Re­move un­doc­u­mented `\fp_func­tion:Nw` and `\fp_new_func­tion:Npn`
+
+## [2018-04-30]
+
+### Added
+- Implement \tl_analysis_map_inline:nn
+- Implement \exp_args_generate:n to define new \exp_args:N...
+ functions
+- Low-level \int_value:w function
+- New experimental functions for
+ - Building token lists piecewise
+ - Fast manipulation of integer arrays
+ - Sequence shuffling
+ - `\seq_set_from_function:NnN`
+ - `\char_codepoint_to_bytes:n`
+
+### Changed
+- Significant internal revision to use only internal functions
+ 'private' to specific modules
+- Better documentation of cross-module kernel-internal functions
+- Enable `\char_generate:nn` for active chars
+- Renamed `\tl_show_analysis:(N|n)n` as `\tl_analysis_show:(N|n)n`
+- Change \int_rand:nn (and rand_item functions) to better use
+ the RNG
+- Make prg break functions public
+- Make scan marks mechanism public
+- Make `\prg_do_nothing:` long rather than nopar (fixes #455)
+- Several performance improvements
+- Documentation improvements
+
+### Fixed
+- Only index TF, T, F functions together if they are `expl3`
+ functions (fixes #453)
+- Make `\infty` and `\pi` into errors in fp expressions
+ (fixes #357)
+
+### Removed
+- Deprecated functions expiring at end of 2017
+- Old module `.sty` files
+
+## [2018-03-05]
+
+### Changes
+- Adjustments to `l3drivers` to support `l3draw` development in
+ `l3experimental` bundle
+
+## [2018-02-21]
+
+### Added
+- Tuple support in fp expressions
+- Step func­tions have been added for dim vari­ables,
+ e.g. `\dim_step_in­line:nnnn`
+
+[Unreleased]: https://github.com/latex3/latex3/compare/2019-08-25...HEAD
+[2019-08-25]: https://github.com/latex3/latex3/compare/2019-08-14...2019-08-25
+[2019-08-14]: https://github.com/latex3/latex3/compare/2019-07-25...2019-08-14
+[2019-07-25]: https://github.com/latex3/latex3/compare/2019-07-01...2019-07-25
+[2019-07-01]: https://github.com/latex3/latex3/compare/2019-05-28...2019-07-01
+[2019-05-28]: https://github.com/latex3/latex3/compare/2019-05-09...2019-05-28
+[2019-05-09]: https://github.com/latex3/latex3/compare/2019-05-07...2019-05-09
+[2019-05-07]: https://github.com/latex3/latex3/compare/2019-05-05...2019-05-07
+[2019-05-05]: https://github.com/latex3/latex3/compare/2019-05-03...2019-05-05
+[2019-05-03]: https://github.com/latex3/latex3/compare/2019-04-21...2019-05-03
+[2019-04-21]: https://github.com/latex3/latex3/compare/2019-04-06...2019-04-21
+[2019-04-06]: https://github.com/latex3/latex3/compare/2019-03-26...2019-04-06
+[2019-03-26]: https://github.com/latex3/latex3/compare/2019-03-05...2019-03-26
+[2019-03-05]: https://github.com/latex3/latex3/compare/2019-02-15...2019-03-05
+[2019-02-15]: https://github.com/latex3/latex3/compare/2019-02-03...2019-02-15
+[2019-02-03]: https://github.com/latex3/latex3/compare/2019-01-28...2019-02-03
+[2019-01-28]: https://github.com/latex3/latex3/compare/2019-01-13...2019-01-28
+[2019-01-13]: https://github.com/latex3/latex3/compare/2019-01-12...2019-01-13
+[2019-01-12]: https://github.com/latex3/latex3/compare/2019-01-01...2019-01-12
+[2019-01-01]: https://github.com/latex3/latex3/compare/2018-12-12...2019-01-01
+[2018-12-12]: https://github.com/latex3/latex3/compare/2018-12-11...2018-12-12
+[2018-12-11]: https://github.com/latex3/latex3/compare/2018-12-06...2018-12-11
+[2018-12-06]: https://github.com/latex3/latex3/compare/2018-11-19...2018-12-06
+[2018-11-19]: https://github.com/latex3/latex3/compare/2018-10-31...2018-11-19
+[2018-10-31]: https://github.com/latex3/latex3/compare/2018-10-26...2018-10-31
+[2018-10-26]: https://github.com/latex3/latex3/compare/2018-10-19...2018-10-26
+[2018-10-19]: https://github.com/latex3/latex3/compare/2018-10-17...2018-10-19
+[2018-10-17]: https://github.com/latex3/latex3/compare/2018-09-24...2018-10-17
+[2018-09-24]: https://github.com/latex3/latex3/compare/2018-08-23...2018-09-24
+[2018-08-23]: https://github.com/latex3/latex3/compare/2018-06-14...2018-08-23
+[2018-06-14]: https://github.com/latex3/latex3/compare/2018-06-01...2018-06-14
+[2018-06-01]: https://github.com/latex3/latex3/compare/2018-05-13...2018-06-01
+[2018-05-13]: https://github.com/latex3/latex3/compare/2018-05-12...2018-05-13
+[2018-05-12]: https://github.com/latex3/latex3/compare/2018-04-30...2018-05-12
+[2018-04-30]: https://github.com/latex3/latex3/compare/2018-03-05...2018-04-30
+[2018-03-05]: https://github.com/latex3/latex3/compare/2018-02-21...2018-03-05
+[2018-02-21]: https://github.com/latex3/latex3/compare/2017-12-16...2018-02-21