mutt_make_string (s, slen, NONULL (HdrFmt), ctx, ctx->hdrs[entry]);
_mutt_make_string (s, slen, NONULL (HdrFmt), ctx, ctx->hdrs[entry], M_FORMAT_ARROWCURSOR);
static void post_entry (char *s, size_t slen, MUTTMENU *menu, int entry){  CONTEXT *ctx = (CONTEXT *) menu->data;  mutt_make_string (s, slen, NONULL (HdrFmt), ctx, ctx->hdrs[entry]);}