patch 8.0.1362: terminal window colors wrong when using Terminal high…

…lighting

Problem:    Terminal window colors wrong when using Terminal highlighting.
Solution:   Set ansi_index when setting the default color.  Also cache the
            color index for Terminal. (Ozaki Kiichi, closes vim#2393)

patch 8.0.1361: some users don't want to diff with hidden buffers

Problem:    Some users don't want to diff with hidden buffers.
Solution:   Add the "hiddenoff" item to 'diffopt'. (Alisue, closes vim#2394)

patch 8.0.1360: the Terminal highlighting doesn't work in a terminal

Problem:    The Terminal highlighting doesn't work in a terminal. (Ozaki
            Kiichi)
Solution:   Use the Terminal highlighting when the cterm index is zero.

patch 8.0.1359: libvterm ANSI colors can not always be recognized

Problem:    Libvterm ANSI colors can not always be recognized from the RGB
            values. The default color is wrong when t_RB is empty.
Solution:   Add the ANSI color index to VTermColor.

patch 8.0.1358: undercurl is not used in the terminal

Problem:    Undercurl is not used in the terminal. (Kovid Goyal)
Solution:   Only fall back to underline when undercurl highlighting is not
            defined. (closes vim#1306)

patch 8.0.1357: startup test fails on OpenBSD

Problem:    Startup test fails on OpenBSD. (Edd Barrett)
Solution:   Check for "BSD" instead of "FreeBSD" being defined. (James McCoy,
            closes vim#2376, closes vim#2378)

patch 8.0.1356: using simalt in a GUIEnter autocommand inserts charac…

…ters

Problem:    Using simalt in a GUIEnter autocommand inserts strange characters.
            (Chih-Long Chang)
Solution:   Ignore K_NOP in Insert mode. (closes vim#2379)

patch 8.0.1355: cursor keys don't work in MS-Windows console

Problem:    Cursor keys don't work in MS-Windows console.
Solution:   Revert the previous patch.  Also delete dead code.

patch 8.0.1354: Shift-Insert doesn't always work in MS-Windows console

Problem:    Shift-Insert doesn't always work in MS-Windows console.
Solution:   Handle K_NUL differently. (Yasuhiro Matsumoto, closes vim#2381)

patch 8.0.1353: QuickFixCmdPost is not used consistently

Problem:    QuickFixCmdPost is not used consistently.
Solution:   Invoke QuickFixCmdPost consistently after QuickFixCmdPre.
            (Yegappan Lakshmanan, closes vim#2377)