patch 8.2.3325: digraph test fails when LC_ALL is set to "C" Commit: https://github.com/vim/vim/commit/52eb372a04dfc5d5afef238c1b3c4a8e92020837 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 10 21:39:20 2021 +0200 patch 8.2.3325: digraph test fails when LC_ALL is set to "C" Problem: Digraph test fails when LC_ALL is set to "C". Solution: When restoring 'encoding' set it to "utf-8". (closes https://github.com/vim/vim/issues/8742)

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,"_.":" |"];}