foo.cc: In function ‘int main()’:
foo.cc:14:25: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   14 |                         if(ch2==91)
      |                         ^~
foo.cc:16:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   16 |                                 cout<<char(ch2);
      |                                 ^~~~