.It Fl Wcast-qual
Warn whenever a pointer cast removes qualifiers from the pointed-to type, e.g. casting a const char* to char*.
.It Fl Wchar-subscripts
-Warn about using an expression of type char as array subscript, e.g. char c; arr[c].
+Warn about using an expression of type char as array subscript, e.g. char\ c; arr[c].
.It Fl Wdeclaration-after-statement
Warn about mixing declarations and statements, which is not allowed prior to C99.
.It Fl Wdiv-by-zero