Without further ado, the following was found:

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

"B<size_t strftime(>size_t max;\n"
"B<                char >I<s>B<[restrict >I<max>B<], size_t >I<max>B<,>\n"
"B<                const char *restrict >I<format>B<,>\n"
"B<                const struct tm *restrict >I<tm>B<);>\n"

"B<size_t strftime_l(>size_t max;\n"
"B<                char >I<s>B<[restrict >I<max>B<], size_t >I<max>B<,>\n"
"B<                const char *restrict >I<format>B<,>\n"
"B<                const struct tm *restrict >I<tm>B<,>\n"
"B<                locale_t >I<locale>B<);>\n"