@ <input type="submit" name="submit" value="Apply Changes" />
  @ <hr />
  @ Baseline: \
  skin_emit_skin_selector("basis", zBasis, zDraft);
  @ <input type="submit" name="diff" value="Unified Diff" />
  @ <input type="submit" name="sbsdiff" value="Side-by-Side Diff" />
  if( P("diff")!=0 || P("sbsdiff")!=0 ){
    u64 diffFlags = construct_diff_flags(0,0) |
                        DIFF_STRIP_EOLCR;
    Blob from, to, out;
    if( P("sbsdiff")!=0 ) diffFlags |= DIFF_SIDEBYSIDE;
    blob_init(&to, zContent, -1);
    blob_init(&from, skin_file_content(zBasis, zFile), -1);
    blob_zero(&out);
    if( diffFlags & DIFF_SIDEBYSIDE ){
      text_diff(&from, &to, &out, 0, diffFlags | DIFF_HTML | DIFF_NOTTOOBIG);