# 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] ## [2021-10-12] ### Fixed - Global assignments for `\box_gresize_to_ht_plus_dp:Nn` and `\coffin_gattach:NnnNnnnn` - Conversion of DeviceN colors to device fallback ## [2021-08-27] ### Changed - Formatting of expandable errors (issue #931) - Internal code for kernel messages ## [2021-07-12] ### Fixed - Handling of multiple color models (issue #962) ### Removed - Functions marked for removal end-2020 ## [2021-06-18] ### Fixed - Local assignment to `\g__sys_backend_tl` - Incorrect internal function name (issue #939) - Case-changing exceptions for (u)pTeX (issue #939) - Low-level error if accent commands are not followed by letter when case changing (see #946) ## [2021-06-01] ### Fixed - Loading when `\expanded` is not available ## [2021-05-27] ### Fixed - Correctly detect local formats in `Mismatched LaTeX support files` error. ## [2021-05-25] ### Added - `\msg_note:nnnnnn` (issue #911) - `\str_compare:nNnTF` (issue #927) - `\sys_timer:` - `\prop_concat:NNN`, `\prop_put_from_keyval:Nn` (issue #924) - Functions to show and log various datatypes (issue #241): `\coffin_show:Nnn`, `\coffin_show:N`, `\coffin_log:Nnn`, `\coffin_log:N`, `\color_log:n`, `\group_show_list:`, `\group_log_list:`, `\ior_show:N`, `\ior_log:N`, `\iow_show:N`, `\iow_log:N`, `\tl_log_analysis:N`, `\tl_log_analysis:n` - `\legacy_if_set_true:n`, `\legacy_if_set_false:n`, `\legacy_if_set:nn` ### Fixed - Checking brace balance in all regex functions (issue #377) - Removing duplicates in clists when items contain commas (issue #917) ### Changed - Slight speed up in some elementary int/dim/skip/muskip operations and in setting tl or clist variables equal. - Speed up mapping functions in l3clist, l3prop, l3seq, l3tl ## [2021-05-11] ### Added - `\cctab_item:Nn` (issue #880) - `\clist_use:nnnn` and `\clist_use:nn` (issue #561) ### Fixed - Loading of backend in generic DVI mode (issue #905) - Make `\keyval_parse:nnn` alignment-safe (issue #896) - Control sequences and category codes in regex replacements (issue #909) ### Changed - Speed up `\group_align_safe_begin:` (pull #906) ## [2021-05-07] ### Added - Color export in comma-separated format - `\ur{...}` escape in `l3regex` to compose regexes - `\seq_set_split_keep_spaces:Nnn` (see #784) - `\seq_set_item:Nnn(TF)` and `\seq_pop_item:NnN(TF)` - `\box_ht_plus_dp:N` (issue #899) - `\clist_map_tokens:nn`, `\clist_map_tokens:Nn`, `\str_map_tokens:nn`, `\str_map_tokens:Nn` ### Changed - Use prevailing catcodes instead of string in regex replacement (issue #621) (*Breaking change*) - `\__kernel_file_name_sanitize:n` now uses a faster `\csname`-based approach to expand the file name - Improved performance for basic conditionals - `\pdf_version_gset:n` support for `dvips` - Improve handling of `\exp_not:n` in `\text_expand:n` (issue #875) - `\file_full_name:n` now avoids calling `\pdffilesize` primitive multiple times on the same file - Show printable characters explicitly in `\regex_show:n` - Regex replacement now errors when using a submatch (`\1` etc) for which the regex has too few groups - Showing complex datatypes now validates their internal structure (issue #884) - Indexing in l3doc: all page references before codeline references, improve target placement, solve pdfTeX and makeindex warnings ### Fixed - Evalutate integer constants only once (issue #861) - Detect `\ior_map_inline:Nn` calls on undefined streams (issue #194) ### Deprecated - `l3docstrip` converted to a stub which simply loads DocStrip: use the latter directly ## [2021-02-18] ### Added - `l3color`: Moved from `l3experimental` - `l3pdf`: Moved from `l3experimental` - `default` alias to str_convert ### Changed - Re-ordered `interface3` documentation - Moved `msg_show:nn(nnnn)` to stable ## [2021-02-06] ### Changed - Use new (internal) interface for kerns ## [2021-02-02] ### Added - `\c_zero_str` ## [2021-01-09] ### Added - `\keyval_parse:nnn` ### Changed - `\keyval_parse:NNn` is set equal to `\keyval_parse:nnn` ### Fixed - Handling of encoding-specfic commands in `\text_purify:n` ## [2020-12-07] ### Fixed - `\peek_analysis_map_inline:n` with spaces and braces ## [2020-12-05] ### Fixed - Setting of line width in vertical coffins in LaTeX ## [2020-12-03] ### Added - `\peek_analysis_map_inline:n` - `\peek_regex:nTF`, `\peek_regex_remove_once:nTF`, and `\peek_regex_replace_once:nnTF` - `\token_case_catcode:NnTF`, `\token_case_charcode:NnTF`, and `\token_case_meaning:NnTF` ### Changed - Extend `\text_expand:n` to cover `\@protected@testopt` - Extend `\text_purify:n` to cover `\@protected@testopt` ## [2020-10-27] ### Added - `\token_if_font_selection:N(TF)` (see #806) ### Fixed - Avoid relying on braced `\input` primitive syntax - Correct expansion of environments in `\text_purify:n` - Some aspects of `cctab` setup with 8-bit engines(issue #814) ### Changed - Improved performance for `tl` functions - Extend case changer to cover all of Greek with pdfTeX ## [2020-10-05] ### Fixed - Correctly detect LaTeX when pre-loading expl3 and setting up case changer - Lua emulation of \strcmp (issue #813) ## [2020-09-24] ### Changed - Use Lua pseudo-primitives instead of `\directlua` - `\token_if_primitive:N(TF)` now reports pseudo-primitives as primitives in LuaTeX ## [2020-09-06] ### Fixed - Loading in generic mode (issue #800) ## [2020-09-03] ### Fixed - Save primitive definition of `\pdfoutput` with CSLaTeX ## [2020-09-01] ### Added - `\hbox_overlap_center:n` ### Changed - Backend setting for direct PDF output - Backend setting for XeTeX support ### Deprecated - Backend setting `pdfmode` ### Fixed - `\file_compare_timestamp:nNn(TF)` in LuaTeX (issue #792) - Text case changing and expansion where an excluded command is equivalent to `\use:n` ## [2020-08-07] ### Changed - Color selection implementation - Performance enhancements for `\keys_set:nn` ### Fixed - Loading generically on ConTeXt (issue #783) ## [2020-07-17] ### Added - `l3cctab` module for using category code tables - `\file_parse_full_name:n` and `\file_parse_full_name_apply:nN` - Additional `\prop_put:Nnn` variants - `\seq_set_map_x:NNn` - `\msg_term:nn(nnnn)` ### Fixed - File lookup with `\input@path` - 8-bit encodings in `\str_set_convert:Nnnn` ### Changed - Implementation of `\file_parse_full_name:nNNN` now uses `\file_parse_full_name:n` internally - `\seq_set_map:NNn` no longer `x`-expands `` (`\seq_set_map_x:NNn` now does that). Both moved to stable. ### Removed - Functions deprecated at end of 2019 ### Deprecated - `\str_declare_eight_bit_encoding:nnn` ## [2020-06-18] ### Changed - Use `scn` operator for separations - Internal color model - Internal performance enhancements - Moved `\msg_expandable_error:nn(nnnn)` to stable. - Moved `\seq_indexed_map_inline:Nn` and `\seq_indexed_map_function:Nn` to stable as `\seq_map_indexed_inline:Nn` and `\seq_map_indexed_function:Nn`. - Internal changes to `expl3` to allow loading earlier in LaTeX2e. ## [2020-06-03] ### Added - `\str_convert_pdfname:n` ## [2020-05-15] ### Changed - Make `\text_purify:n` `f`-type expandable ## [2020-05-14] ### Changed - Performance improvements in keyval processing ## [2020-05-11] ### Changed - Internal changes to quark handling ## [2020-05-05] ### Added - Recognize the exponent marker `E` (same as `e`) in floating point numbers ### Fixed - Leave active characters untouched when case-changing (see #715) ## [2020-04-06] ### Added - Control for start-of-titlecasing: see `\l_text_titlecase_check_letter_bool` ### Fixed - Nesting of `\seq_shuffle:N` in another sequence mapping (issue #687) - `\ior_shell_open:Nn` in engines other than LuaTeX - shell commands didn't execute, plus the command call would be left in the input stream. ## [2020-03-06] ### Added - `\text_purify:n` ### Fixed - Issue with case-changing Turkish ## [2020-03-03] ### Added - `\tex...:D` coverage for TeX Live 2020 engine changes ### Changed - New implementation for `\keyval_parse:NNn` - around 40% speed improvement, also *expandable* ### Fixed - Make `expl3` reload-safe for `latexrelease` (see latex3/latex2e#295) ## [2020-02-25] ### Changed - Extend case-changing encoding support to Cyrillic and Greek ## [2020-02-21] ### Added - Option `suppress-backend-headers` (see matching change in `l3backend`) ### Changed - Allow `dvisvgm` driver with XeTeX (issue #677) ### Fixed - `undo-recent-deprecations` would not reload the deprecation code ## [2020-02-14] ### Fixed - Interaction with some `babel` languages at the start of the document ## [2020-02-13] ### Changed - Leave implicit tokens unchanged by `\text_expand:n` - Extend the `de-alt` case changing locale to 8-bit engines ## [2020-02-11] ### Added - Key property `.cs_set:Np` and variants ### Changed - Support `\@uclclist` entries when case-changing ### Fixed - Allow for full range of encodings when expanding text (issue #671) - Support `\begin`/`\end` in text expansion ## [2020-02-08] ### Added - `\l_keys_key_str` and `\l_keys_path_str` ### Deprecated - `\l_keys_key_tl` and `\l_keys_path_tl`, replaced by `\l_keys_key_str` and `\l_keys_path_str`, respectively ## [2020-02-03] ### Changed - Minor edits to LaTeX3 News ## [2020-01-31] ### Added - Table of Contents for combined LaTeX3 News ### Changed - Use Lua `utf8` library if available ### Fixed - Undefined command in box debugging code ## [2020-01-22] ### Added - Support for command replacement in text expansion ### Changed - Require key values for numerical key types (dim, int, etc.) (see #661) ### Fixed - Issue with keys where some leading spaces could be left in key names ## [2020-01-12] ### Added - `\bool_case_true:n(TF)` and `\bool_case_false:n(TF)` - `\file_hex_dump:n(nn)` and `\file_get_hex_dump:n(nn)N(TF)` - `\str_case:n` - `\text_case:n(n)` - `\text_expand:n` and supporting data structures ### Changed - Distribute LaTeX3 News - Moved `\char_case:N` to stable - Documentation improvements ### Fixed - Inherit key required/forbidden properties (see #653) - Set backend at the beginning of `\document` (see #657) ### Deprecated - `\str__case:n` replaced by `\str_case:n` except `\str_mixed_case:n` replaced by `\str_titlecase:n` - `\tl__case:n(n)` replaced by `\text_case:n(n)`, except `\tl_mixed_case:n(n)` replaced by `\text_titlecase:n(n)` ## [2019-11-07] ### Fixed - Handling of repeated loading of a backend (issue #646) - Handling of repeated loading of deprecated functions ## [2019-10-28] ### Fixed - File searching when `\(pdf)filesize` is not available (fixes #644) ## [2019-10-27] ### Changed - Internal structure of `\c_sys_jobname_str` altered - Update upTeX test to follow guidance from developers ## [2019-10-24] ### Changed - File names are now returned without quotes by `\file_full_name:n` ### Fixed - `\file_if_exist:n(TF)`, etc., when dealing with file names containing spaces (see #642) ## [2019-10-21] ### Added - Lua function `l3kernel.shellescape()` ### Changed - Better coverage of (u)pTeX primitives following publication of pTeX manual in English - Trim spaces surrounding file names ### Removed - HarfTeX primitives ## [2019-10-14] ### Fixed - Correct handling of 'traditional' class options for backend ## [2019-10-11] ### Changed - Standard backend for (u)pTeX is now `dvips` - Minimum LuaTeX version now v0.95 - Moved `\debug_on:`, `\debug_off:`, `\debug_suspend:` and `\debug_resume:` to stable - Accept 'traditional' class options for backend (`dvipdfmx`, `dvips`, etc.) - Performance enhancements when loading `expl3` ### Fixed - Handling of files with no extension - Behaviour of Lua function `l3kernel.charcat` in some circumstances - Loading under ConTeXt ## [2019-10-02] ### Fixed - Variants using `\exp_args` functions with more than 9 arguments (see #636) ## [2019-09-30] ### Fixed - File searching using `\file_full_name:n` (see #634) ## [2019-09-28] ### Changed - Speed up variants and reduce their `\tracingall` output - Debug and deprecation code are now loaded independently of expl3 core - `\file_compare_timestamp:nNn(TF)` now usable in expansion contexts - Moved to stable: - `\bool_const:Nn` - `\dim_sign:n` - `\file_compare_timestamp:nNn(TF)` - FP `logb` operator - `\fp_sign:n` - `fparray` module - `\int_sign:n` - `\intarray_const_from_clist:Nn` - `\intarray_show:N` - `\ior_map_variable:NNn` - `\ior_str_map_variable:NNn` - `\mode_leave_vertical:` - `\prop_(g)set_from_clist:Nn` - `\prop_const_from_clist:Nn` - `\seq_const_from_clist:Nn` - `\seq_(g)shuffle:N` - `\sys_if_platform_unix:(TF)` - `\sys_if_platform_windows:(TF)` - `\sys_gset_rand_seed:` - `\sys_rand_seed:` - Shell access functions ### Fixed - Key `.initial:n` property when combined with inherited keys (see #631) ## [2019-09-19] ### Fixed - Loading Unicode data when some chars may be active (see #627) ## [2019-09-08] ### Fixed - Missing internal variant (fixes #624) ## [2019-09-05] ### Added - `\file_full_name:n`, `\file_mdfive_hash:n`, `\file_size:n`, `\file_timestamp:n` - `\seq_map_tokens:Nn`, `\tl_map_tokens:nn`, `\tl_map_tokens:Nn` ### Changed - Moved `\prop_map_tokens:Nn` to stable - Generate chars with catcode as-supplied when case changing ## [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 `l3str-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__case:N` ### Fixed - Infinite loop in some cases in DVI mode due to link-breaking code (see #570) - Category code of output from `\char__case:N`, and same issue in `\str__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 `\_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]: 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