* Remove compatibility code for OTP26-
* Remove support for application/erlang+html docs v1
* Remove workaround for bug in older OTP versions
* Update OTP version checks
* Remove OTP25- skipping in tests
* More test cleanup
* update support for uts39 from unicode 15
* follow uts39's recco that it's not necessary to require
idents to be single-script (they call out proglang idents,
reference the new uts55-5). We use a heuristic derived from
the concept of identifier chunks from uts55-5, to allow
idents like foo_bar_baz where each chunk around the _ can be
single-or-highly-restrictive
* provide directional confusability detection, by reversing
spans of direction-changed chars in idents for bidi_skeleton,
see issue #12929
In versions of GNU Make prior to 4.4, ".NOTPARALLEL: compile" made the whole
build run serially. In 4.4 and later, ".NOTPARALLEL: compile" makes only
the compile target run serially.
This breaks the build and can lead to e.g. EEx being built before Mix.
Erlang ships with its own embedding of the Unicode
Codebase for a couple releases and this release changes
Elixir to depend on it in order to compute grapheme
clusters.
The Erlang implementation was up to 2x faster in low
codepoints (such as latin1) while the Elixir one could
be faster up to 3x in high codepoints (such as emoji)
so at the end the performance results are roughly the
same. As a benefit, we no longer need to ship our copy
of the grapheme cluster algorithm, which would take up
to 250kB in disk and more than 15 seconds to compile.
Note we still keep our own String downcase and upcase
algorithms, as our version is considerably more efficient
on all cases since it works exclusively with binaries
(more than 5x faster).
The comments would add space to the CANONICAL variable,
redering the link like
<link rel="canonical" href="https://hexdocs.pm/elixir/v1.10/ /Kernel.html" />
One thing I've found myself wanting quite a lot when working on Elixir
is the ability to run single tests, or at least single test files,
easily with `make test_stdlib` or something. With this change this is
now possible - you can run `make test_stdlib TEST_FILES=macro_test.exs`
to just run that file, or
`make test_ex_unit TEST_FILE=ex_unit/formatter_test.exs`.