vim: Import v8.1.0010

* 8.1.0010: efm_to_regpat() is too long
* 8.1.0009: tabpages insufficiently tested
* 8.1.0008: no test for strwidth()
* 8.1.0007: no test for "o" and "O" in Visual block mode
* 8.1.0006: syn_id2cterm_bg() may be undefined

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.1.0005](https://github.com/vim/vim/releases/tag/v8.1.0005): test for :compiler command fails on MS-Windows\n* [8.1.0004](https://github.com/vim/vim/releases/tag/v8.1.0004): test for :compiler command sometimes fails\n* [8.1.0003](https://github.com/vim/vim/releases/tag/v8.1.0003): the :compiler command is not tested\n* [8.1.0002](https://github.com/vim/vim/releases/tag/v8.1.0002): :stopinsert changes the message position
+* [8.1.0010](https://github.com/vim/vim/releases/tag/v8.1.0010): efm_to_regpat() is too long\n* [8.1.0009](https://github.com/vim/vim/releases/tag/v8.1.0009): tabpages insufficiently tested\n* [8.1.0008](https://github.com/vim/vim/releases/tag/v8.1.0008): no test for strwidth()\n* [8.1.0007](https://github.com/vim/vim/releases/tag/v8.1.0007): no test for "o" and "O" in Visual block mode\n* [8.1.0006](https://github.com/vim/vim/releases/tag/v8.1.0006): syn_id2cterm_bg() may be undefined