patch 8.1.0199: spellbadword() does not check for caps error commit https://github.com/vim/vim/commit/66ab916935585391b2efaa8e39075e1ef94717b1 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 20 20:28:48 2018 +0200 patch 8.1.0199: spellbadword() does not check for caps error Problem: spellbadword() does not check for caps error. (Dominique Pelle) Solution: Adjust capcol when advancing.

--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -11639,6 +11639,7 @@ f_spellbadword(typval_T *argvars UNUSED,
 		    break;
 		}
 		str += len;
+		capcol -= len;
 	    }
 	}
     }