Problem:    Crash when 'fileformat' is forced to "dos" and the first line in
            the file is empty and does not have a CR character.
Solution:   Don't check for CR before the start of the buffer.

https://github.com/vim/vim/commit/2aa5f696b91a51f29873e340de4bdc182e1e8dd4

Problem:    When setting wildoptions=tagfile the completion context is not set
            correctly. (desjardins)
Solution:   Check for EXPAND_TAGS_LISTFILES. (Christian Brabandt, closes vim/vim#1399)

https://github.com/vim/vim/commit/ba47b51ff88d91c9bb5aa522183e23a656865697

Problem:    Completion of user defined functions is not covered by tests.
Solution:   Add tests.  Also test various errors of user-defined commands.
            (Dominique Pelle, closes vim/vim#1413)

https://github.com/vim/vim/commit/65c836e6004647196ae0bc18e409a9e7b79207c0

Problem:    No command line completion for :cexpr, :cgetexpr, :caddexpr, etc.
Solution:   Make completion work. (Yegappan Lakshmanan)  Add a test.

https://github.com/vim/vim/commit/2b2207ba69c6b009e466a36eef0644ca723e16d3

Problem:    The test for patch 8.0.0224 misses the CR characters and passes
            even without the fix. (Christian Brabandt)
Solution:   Use double quotes and \<CR>.

https://github.com/vim/vim/commit/1695f99d08076d77ed3015f1edf09a668a4d449a

Problem:    When 'fileformats' is changed in a BufReadPre auto command, it
            does not take effect in readfile(). (Gary Johnson)
Solution:   Check the value of 'fileformats' after executing auto commands.
            (Christian Brabandt)

https://github.com/vim/vim/commit/7a2699e868bca781e26b060a44fc714d87cfa4ba

Problem:    Profiling skips the first and last script line.
Solution:   Check for BOM after setting script ID. (Lemonboy, closes vim/vim#2103,
            closes vim/vim#2112) Add a test. List the trailing script lines.

https://github.com/vim/vim/commit/67435d9983965c5c77fc74f0559779ce4554dacb