(W once) Typographical errors often show up as unique variable names.
If you had a good reason for having a unique name, then just mention it
-again somehow to suppress the message. The C<our> declaration is
-provided for this purpose.
+again somehow to suppress the message. The C<our> declaration is provided
+for this purpose.
NOTE: This warning detects symbols that have been used only once so $c, @c,
%c, *c, &c, sub c{}, c(), and c (the filehandle or format) are considered