patch 8.1.2268: spell file flag zero is not recognized Commit: https://github.com/vim/vim/commit/3d2a47c7823b934e1a85d773b68758c87c3ddc90 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 7 20:48:42 2019 +0100 patch 8.1.2268: spell file flag zero is not recognized Problem: Spell file flag zero is not recognized. Solution: Use -1 as an error value, so that zero can be used as a valid flag number.

|f+0&#ffffff0|o@1| |1| @64
|f+1&&|o|o+0&&| |2| @64
|f+0&#ffff4012|o|o+0&#ffffff0| |3| @64
|f|o@1| |4| @64
|f|o@1| |5| @64
|f|o@1| |6| @64
|f|o@1| |7| @64
|f|o@1| |8| @64
|:|2|,|3|s|u|b| @1|/|f|o> @57