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ICU4X Licenses (Dec 2021)
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| ## Current Library Structure in the repo | |
| // | |
| ├─ components/ | |
| │ ├─ component1/ | |
| │ │ ├─ src/ | |
| │ ├─ component2/ | |
| │ │ ├─ src/ | |
| │ │ ├─ data/ | |
| │ │ │ ├─ from_unicode/ | |
| │ ├─ component3/ | |
| │ │ ├─ src/ | |
| │ │ ├─ tools/ | |
| │ │ │ ├─ from_icu/ | |
| ├─ utils/ | |
| │ ├─ util1 | |
| │ │ ├─ src/ | |
| │ ├─ util2 | |
| │ │ ├─ src/ | |
| LICENSE-FULL = Apache+MIT + ICU for imported + Unicode for data | |
| ========================== | |
| In this scenario, only library called `component2` has data from Unicode and only `component3` has code from ICU. | |
| This means that the LICENSE as written is APACHE+MIT on everything plus ICU for `component3` and Unicode for `component2`. | |
| But the way we distribute all of those libraries is this: | |
| // | |
| ├─ components/ | |
| │ ├─ component1/ | |
| │ │ ├─ src/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| │ ├─ component2/ | |
| │ │ ├─ src/ | |
| │ │ ├─ data/ | |
| │ │ │ ├─ from_unicode/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| │ ├─ component3/ | |
| │ │ ├─ src/ | |
| │ │ ├─ tools/ | |
| │ │ │ ├─ from_icu/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| ├─ utils/ | |
| │ ├─ util1 | |
| │ │ ├─ src/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| │ ├─ util2 | |
| │ │ ├─ src/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| LICENSE-FULL = Apache+MIT + ICU for imported + Unicode for data | |
| That means that we ship two utils and three components each saying that they're Apache+MIT | |
| plus ICU *if there is data* and Unicode *if there is imported ICU code*. Those `ifs` are true | |
| just for `component2` and `component3` but we carry them in each library and let the user notice | |
| that nothing is covered by those last two parts. | |
| ===== PROPOSAL ==== | |
| // | |
| ├─ components/ | |
| │ ├─ component1/ | |
| │ │ ├─ src/ | |
| │ │ ├─ LICENSE-APACHE-MIT.txt | |
| │ ├─ component2/ | |
| │ │ ├─ src/ | |
| │ │ ├─ data/ | |
| │ │ │ ├─ from_unicode/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| │ ├─ component3/ | |
| │ │ ├─ src/ | |
| │ │ ├─ tools/ | |
| │ │ │ ├─ from_icu/ | |
| │ │ ├─ LICENSE-FULL.txt | |
| ├─ utils/ | |
| │ ├─ util1 | |
| │ │ ├─ src/ | |
| │ │ ├─ LICENSE-APACHE-MIT.txt | |
| │ ├─ util2 | |
| │ │ ├─ src/ | |
| │ │ ├─ LICENSE-APACHE-MIT.txt | |
| LICENSE-FULL = Apache+MIT + ICU for imported + Unicode for data | |
| LICENSE-APACHE-MIT = Apache+MIT | |
| With this change, we now distribute `util1`, `util2` and `component1` with zero friction with | |
| the Rust community under dominant license scheme and only the relevant `component2` and `component3` | |
| are affected by our unique licensing scheme. |
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