-* [IRG N2107R2](https://github.com/unicode-org/uk-source-ideographs/raw/master/IRGN2107R2.pdf) (PDF), which was originally submitted as IRG N2107 for [IRG #45](http://appsrv.cse.cuhk.edu.hk/~irg/irg/irg45/IRG45.htm), documents the 1,640 UK-source ideographs that were submitted for IRG Working Set 2015, 1,585 of which are soon to be encoded in [CJK Unified Ideographs Extension G](https://www.unicode.org/Public/13.0.0/charts/blocks/U30000.pdf) ([Unicode Version 13.0](https://www.unicode.org/versions/Unicode13.0.0/)). The per-ideograph attributes can be found in an Excel file that is a PDF attachment. For purely legacy reasons, these 1,640 UK-source ideographs, along with 16 that were withdrawn in the first revision of IRG N2107, can also be found in Unicode Standard Annex #45 ([UAX #45](https://unicode.org/reports/tr45/)), *U-Source Ideographs*, as source references UK-01313 through UK-02968.
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