Found the following problems:
print-methods.Rd:19:1: Warning: missing </h2> before <dl>
print-methods.Rd:26:1: Warning: discarding unexpected </h2>
print-methods.Rd:19:1: Warning: trimming empty <h2>
show-methods.Rd:19:1: Warning: missing </h2> before <dl>
show-methods.Rd:25:1: Warning: discarding unexpected </h2>
show-methods.Rd:19:1: Warning: trimming empty <h2>
Found the following problems:
print-methods.Rd:19:1: Warning: missing </h2> before <dl>
print-methods.Rd:26:1: Warning: discarding unexpected </h2>
print-methods.Rd:19:1: Warning: trimming empty <h2>
show-methods.Rd:19:1: Warning: missing </h2> before <dl>
show-methods.Rd:25:1: Warning: discarding unexpected </h2>
show-methods.Rd:19:1: Warning: trimming empty <h2>