if( zFilename==0 && zMsg==0 ){
      fossil_fatal("must have --message or --file or both");
    }
    if( !g.url.isHttps && !allowUnsafe ){
      fossil_fatal("URL \"%s\" is unencrypted. Use https:// instead", zUrl);
    }
    verify_all_options();
    if( g.argc>3 ){
      fossil_fatal("unknown extra argument: \"%s\"", g.argv[3]);
    }
    i = (int)strlen(g.url.path);
    while( i>0 && g.url.path[i-1]=='/' ) i--;
    g.url.path = mprintf("%.*s/chat-send", i, g.url.path);
    blob_init(&up, 0, 0);
    blob_init(&down, 0, 0);
    sqlite3_randomness(sizeof(r),r);
    sqlite3_snprintf(sizeof(zBoundary),zBoundary,