}
  @ <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(1) | DIFF_STRIP_EOLCR;
    Blob from, to, out;
    DiffConfig DCfg;
    construct_diff_flags(1, &DCfg);
    DCfg.diffFlags |= DIFF_STRIP_EOLCR;
    if( P("sbsdiff")!=0 ) diffFlags |= DIFF_SIDEBYSIDE;
    if( P("sbsdiff")!=0 ) DCfg.diffFlags |= DIFF_SIDEBYSIDE;
    blob_init(&to, zContent, -1);
    blob_init(&from, skin_file_content(zBasis, zFile), -1);
    blob_zero(&out);
    diff_config_init(&DCfg, diffFlags | DIFF_HTML | DIFF_NOTTOOBIG); 
    if( diffFlags & DIFF_SIDEBYSIDE ){
      text_diff(&from, &to, &out, 0, &DCfg );
    DCfg.diffFlags |= DIFF_HTML | DIFF_NOTTOOBIG; 
    if( DCfg.diffFlags & DIFF_SIDEBYSIDE ){
      text_diff(&from, &to, &out, &DCfg);
      @ %s(blob_str(&out))
    }else{
      DCfg.diffFlags |= DIFF_LINENO;
      text_diff(&from, &to, &out, 0, &DCfg);
      text_diff(&from, &to, &out, &DCfg);
      @ <pre class="udiff">
      @ %s(blob_str(&out))
      @ </pre>
    }
    blob_reset(&from);
    blob_reset(&to);
    blob_reset(&out);