CTAN Update: l3kernel

The LaTeX Team submitted an update to the l3kernel package. Version: 2019-03-05 License: lppl1.3c Summary description: LaTeX3 programming conventions Announcement text:

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## [2019-03-05] ### Added - `\str_log:n`, `\str_log:N` - `TF` versions for `\file_get_...:nN` and `\ior_(str_)get:NN` functions - `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 - Renamed `\token_get_prefix_spec:N`, `\token_get_arg_spec:N`, `\token_get_replacement_spec:N` as `\cs_prefix_spec:N`, `\cs_argument_spec:N`, `\cs_replacement_spec:N`, respectively - Made expandable messages expand their result, like usual messages - Made deprecation errors less intrusive by default - Stopped providing do-nothing `\color` macro when undefined

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The package’s Catalogue entry can be viewed at https://ctan.org/pkg/l3kernel The package’s files themselves can be inspected at http://mirror.ctan.org/macros/latex/contrib/l3kernel/

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Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese

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