patch 8.1.2210: using negative offset for popup_create() does not work Commit: https://github.com/vim/vim/commit/b754b5bf6d9ac1f3654552973aa6f9c11239af3d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 24 19:25:00 2019 +0200 patch 8.1.2210: using negative offset for popup_create() does not work Problem: Using negative offset for popup_create() does not work. Solution: Use -1 instead of zero. (closes https://github.com/vim/vim/issues/5111)

char*M,A,Z,E=40,J[40],T[40];main(C){for(*J=A=scanf(M="%d",&C);
--            E;             J[              E]             =T
[E   ]=  E)   printf("._");  for(;(A-=Z=!Z)  ||  (printf("\n|"
)    ,   A    =              39              ,C             --
)    ;   Z    ||    printf   (M   ))M[Z]=Z[A-(E   =A[J-Z])&&!C
&    A   ==             T[                                  A]
|6<<27<rand()||!C&!Z?J[T[E]=T[A]]=E,J[T[A]=A-Z]=A,"_.":" |"];}