94 lines
4.1 KiB
Markdown
94 lines
4.1 KiB
Markdown
# Data and third-party provenance
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This file records what can be established from repository contents and
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history. It does not assign a license to original strans source code.
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## Input maps and dictionaries
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`map/hira.map`, `map/kata.map`, and the original map data entered the history
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in commit `cc157c0b3c33506d1cbf5bd251ddc6a9ca909081`, whose subject says the
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maps came from 9front. That commit does not identify a 9front revision or
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carry a separate data license. `map/telex.map` is generated by
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`map/mktelex.py`; Vietnamese behavior is retained for compatibility.
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`map/emoji.dict` is generated deterministically from the repository-maintained
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`map/emoji.src` by `map/mkemoji`. No external dataset is required.
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`map/hanja.src` is a single-character subset of libhangul's
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`data/hanja/hanja.txt` from release tag `libhangul-0.2.0`. Its immutable
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identifiers are:
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- annotated tag object: `20afc38922e3595ee3ed5b186f2ea05afe663763`
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- peeled commit: `41c702f5d3581325b646ef6249f1f641b0427ae0`
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- input blob: `199cfd70c4b306257ac2e018714a1285f7cf0ed3`
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- input SHA-256: `dd44dcc856cf542b1022d0f39c2e9b9f8805fdcc5923be80f04849ed97ce0996`
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`map/libhangul2hanja` keeps only a one-syllable modern Hangul reading paired
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with one BMP Hanja rune. It writes one
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`Hanja<TAB>Hangul syllable` pair per row in upstream order; word entries are
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not part of this data. `map/mkhanja` groups those rows by reading for the
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runtime dictionary without changing candidate order, retaining the first 32
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candidates supported by the engine. Exact import and regeneration commands
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are in `map/README`.
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The upstream data header is BSD 3-Clause licensed, copyright 2005, 2006 Choe
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Hwanjin. Its complete license text is in
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`LICENSES/BSD-3-Clause-libhangul-hanja.txt`.
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`map/kanji.dict` identifies itself as SKK Medium dictionary version 8.1,
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May 24, 1995, rearranged for Plan 9 ktrans by Kenji Okamoto on February 17,
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2000. Its header names its copyright holders and grants GPL version 2 or
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later. The complete GPL version 2 text is in
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`LICENSES/GPL-2.0-or-later.txt`; the dictionary header supplies the
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"or later" option. `map/README` records the exact repository history,
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repairs made to this copy, and the reproducible procedure for importing a
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new SKK revision.
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## Fonts
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The popup bundles Noto Sans, Japanese-region Noto Sans Mono CJK, and Noto
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Emoji. Exact checksums, versions or source revisions, download locations
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where known, fallback order, and license-file names are recorded in
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`font/PROVENANCE`. The corresponding OFL 1.1 and Apache 2.0 texts are kept
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beside the fonts.
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## stb_truetype
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`stb_truetype.h` is Sean Barrett's stb_truetype version 1.26, dated
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August 28, 2021 in its header. Its exact repository checksum is:
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```text
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ecd30b05e0dd4fea3a13c26810dd9e1992dc379049482c393d5a19e6b5090aab
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```
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The file was present in the repository's first commit,
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`dcd1147638f908eca7e4b7616815e215022cc99d`. No upstream commit or download
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URL was recorded. Its complete dual MIT/Public Domain terms are retained at
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the end of the header.
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## Generated Wayland protocol code
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The four checked-in Wayland protocol C/header files were added in commit
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`7629ec5fe8976812655c9d12b447a62abc8bb671`:
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- `input-method-unstable-v2-client-protocol.h`
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- `input-method-unstable-v2-protocol.c`
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- `virtual-keyboard-unstable-v1-client-protocol.h`
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- `virtual-keyboard-unstable-v1-protocol.c`
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Their embedded notices identify the protocols as input-method-unstable-v2
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and virtual-keyboard-unstable-v1 and include the applicable MIT-style license
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terms. The input-method files report generation by wayland-scanner 1.21.0;
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the virtual-keyboard files report wayland-scanner 1.23.1. The source XML
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files and their upstream repository revisions were not committed or recorded
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in history, so these generated files cannot honestly be regenerated
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byte-for-byte from repository artifacts. Do not edit them manually. A
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future regeneration should commit the source XML or record its immutable
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upstream revision and the scanner command/version.
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## Git submodules
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`cutest` is pinned by the repository as the unit-test framework. XIM uses
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the system xcb-imdkit and xcb-util libraries at build time; those system
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libraries are not bundled by this repository.
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