CTAN update: xsim

Clemens Niederberger submitted an update to the xsim package. Version number: 0.21 2022-02-12 License type: lppl1.3c Summary description: eXercise Sheets IMproved Announcement text:

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- make `\xsim_set_file_signature:nnn` public - make `\l_xsim_file_path_and_name_tl`, `\l_xsim_file_name_tl` and `\l_xsim_file_path_tl` public - introduce `\XSIMsetfilebeginX` and `\XSIMsetfileendX` (xsimverb) - reduce comment line in automated comments in exercise and solution files - add option `<tag>/use-unmatched` - document option `blank/fill` - add counter foreach type and collection that holds the number of exercises of a type in a collection - fix bug when environment bodies are saved; fixes issue #90 - correct file hooks (cf. issue #98) - add md5 check; implements issue #88 - update example 42; fixes issue #96 - `use!` and `print!` had gone lost; add them back in. - add new options `match-all`/`match-any` for the collection conditions; resolves issue #94. - new `\ForEachUsedExerciseByOrder`, used in the table templates; resolves issue #85

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This package is located at https://mirrors.ctan.org/macros/latex/contrib/xsim More information is at https://www.ctan.org/pkg/xsim

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Thanks for the upload. For the CTAN Team Erik Braun

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