code: protected static final StringBuilder renderPad(final StringBuilder builder,
              final int pad, final boolean newLine) {
          renderNewLine(builder, newLine);
          for (int i = 0; i < pad; i++) {
              builder.append(' ');
          }
          return builder;
      }
docs: Render some leading spaces onto a line of html.
  
  @param builder Buffer for holding the rendition
  @param pad Minimum number spaces for padding each line of the output
  @param newLine put in a new line for each line.
  @return the builder