vim: Import v8.1.0254

* 8.1.0254: cannot build on MS-Windows; unused macro HAVE_HANDLE_DROP
* 8.1.0253: saving and restoring window title does not always work
* 8.1.0252: quickfix functions are too long
* 8.1.0251: using full path is not supported for 'backupdir'
* 8.1.0250: MS-Windows using VTP: windows size change incorrect
* 8.1.0249: GTK: when screen DPI changes Vim does not handle it
* 8.1.0248: duplicated quickfix code
* 8.1.0247: Python: error message for failing import is incorrect
* 8.1.0246: build failure without the +eval feature
* 8.1.0245: calling setline() in TextChangedI autocmd breaks undo
* 8.1.0244: no redraw when using a STOP signal on Vim and then CONT
* 8.1.0243: using :term ++close ++hidden closes a window
* 8.1.0242: Insert mode completion may use an invalid buffer pointer
* 8.1.0241: effect of ":tabmove N" is not clear

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.1.0240](https://github.com/vim/vim/releases/tag/v8.1.0240): g:actual_curbuf set in wrong scope
+* [8.1.0254](https://github.com/vim/vim/releases/tag/v8.1.0254): cannot build on MS-Windows; unused macro HAVE_HANDLE_DROP\n* [8.1.0253](https://github.com/vim/vim/releases/tag/v8.1.0253): saving and restoring window title does not always work\n* [8.1.0252](https://github.com/vim/vim/releases/tag/v8.1.0252): quickfix functions are too long\n* [8.1.0251](https://github.com/vim/vim/releases/tag/v8.1.0251): using full path is not supported for 'backupdir'\n* [8.1.0250](https://github.com/vim/vim/releases/tag/v8.1.0250): MS-Windows using VTP: windows size change incorrect\n* [8.1.0249](https://github.com/vim/vim/releases/tag/v8.1.0249): GTK: when screen DPI changes Vim does not handle it\n* [8.1.0248](https://github.com/vim/vim/releases/tag/v8.1.0248): duplicated quickfix code\n* [8.1.0247](https://github.com/vim/vim/releases/tag/v8.1.0247): Python: error message for failing import is incorrect\n* [8.1.0246](https://github.com/vim/vim/releases/tag/v8.1.0246): build failure without the +eval feature\n* [8.1.0245](https://github.com/vim/vim/releases/tag/v8.1.0245): calling setline() in TextChangedI autocmd breaks undo\n* [8.1.0244](https://github.com/vim/vim/releases/tag/v8.1.0244): no redraw when using a STOP signal on Vim and then CONT\n* [8.1.0243](https://github.com/vim/vim/releases/tag/v8.1.0243): using :term ++close ++hidden closes a window\n* [8.1.0242](https://github.com/vim/vim/releases/tag/v8.1.0242): Insert mode completion may use an invalid buffer pointer\n* [8.1.0241](https://github.com/vim/vim/releases/tag/v8.1.0241): effect of ":tabmove N" is not clear