Without further ado, the following was found:

Issue:    B<…>size_t n → B<…size_t> I<n>

"B<wchar_t *wmemset(>size_t n;\n"
"B<                 wchar_t >I<wcs>B<[>I<n>B<], wchar_t >I<wc>B<, size_t >I<n>B<);>\n"