Problem:    The :global command does not work recursively, which makes it
            difficult to execute a command on a line where one pattern matches
            and another does not match. (Miles Cranmer)
Solution:   Allow for recursion if it is for only one line. (closes vim/vim#1760)
https://github.com/vim/vim/commit/f84b122a99da75741ae686fabb6f81b8b4755998

* vim-patch:8.0.0474: the client-server feature is not tested

Problem:    The client-server feature is not tested.
Solution:   Add a test.
https://github.com/vim/vim/commit/15bf76d40be1f1622ff5cc16596c308e76e2ca94

* vim-patch:8.0.0475: not enough testing for the client-server feature

Problem:    Not enough testing for the client-server feature.
Solution:   Add more tests.  Add the remote_startserver() function.  Fix that
            a locally evaluated expression uses function-local variables.
https://github.com/vim/vim/commit/7416f3e73ab2c4e7ae3adc2ff6e70234f7d40d2e

* vim-patch:8.0.0492: a failing client-server request can make Vim hang

Problem:    A failing client-server request can make Vim hang.
Solution:   Add a timeout argument to functions that wait.
https://github.com/vim/vim/commit/81b9d0bd5c705815e903e671e81b0b05828efd9c

Include src/nvim/testdir/test_clientserver.vim changes from
patches 8.0.0477, 8.0.0479.

* vim-patch:8.0.0633: the client-server test is still a bit flaky

Problem:    The client-server test is still a bit flaky.
Solution:   Wait a bit for the GUI to start.  Check that the version number
            can be obtained.
https://github.com/vim/vim/commit/60964f68740b8abcbb2d3f0f3aeade21d1bacb22

Include src/nvim/testdir/test_clientserver.vim changes
from patches 8.0.0507, 8.0.0511.

* vim-patch:8.0.1251: invalid expressin passed to WaitFor()

Problem:    Invalid expressin passed to WaitFor().
Solution:   Check if the variable exists.
https://github.com/vim/vim/commit/d97fbf171ec0e63117813da045d2a1c51a9b6f62

Problem:    MS-Windows: when 'clipboard' is "unnamed" yyp does not work in a
            :global command.
Solution:   When setting the clipboard was postponed, do not clear the
            register.
https://github.com/vim/vim/commit/3fcfa35f82b9d1ef5e95051b3a45578e10c14ec3

Problem:    Completing directory after :find does not add slash.
Solution:   Adjust the flags for globpath(). (Genki Sky)
https://github.com/vim/vim/commit/8a37b032895b40dd6953280c33585bcba0c7ef8b

Problem:    Wordcount test is old style.
Solution:   Change into a new style test. (Yegappan Lakshmanan, closes vim/vim#2434)
https://github.com/vim/vim/commit/a703aaee4d6230ed81469ef0cb37f331bf255136

Problem:    Test 80 is old style.
Solution:   Turn it into a new style test. (Yegappan Lakshmanan)
https://github.com/vim/vim/commit/1a333bc44a5d7e51575b1c3cd864fb37fd5b5f2b

Problem:    Still too many old style tests.
Solution:   Convert a few more tests to new style. (Yegappan Lakshmanan,
            closes vim/vim#2272)
https://github.com/vim/vim/commit/430dc5d360166ca5bb6a73f2c87ae53e09282ecb

Skip Test_tag_file_encoding.
083_tag_search_with_file_encoding_spec.lua handles the same test case.

Problem:    Still old style tests.
Solution:   Convert two tests to new style. (Yegappan Lakshmanan)
https://github.com/vim/vim/commit/bb3e6416f157f68799ccb6070fa2f91df6780e79