RNG validity error: file ./test/relaxng/tutor8_2_4.xml line 5 element title
Extra element title in interleave
RNG validity error: file ./test/relaxng/tutor8_2_4.xml line 5 element title
Element head failed to validate content
RNG validity error: file ./test/relaxng/tutor8_2_4.xml line 5 element title
Element head has extra content: title