CTAN Update: l3kernel

[CTAN Announcements]

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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