original_query: What is the significance of the Hokke Gisho being the only text remaining in its original manuscript form?
query: What is the significance of the Hokke Gisho being the only one of the Sangyōsho texts remaining in its original manuscript form?
answer: The significance of the Hokke Gisho being the only Sangyōsho text remaining in its original manuscript form lies in its value for scholarly study of calligraphy and textual history,  allowing for a more accurate understanding of the text's creation and evolution compared to later copies of the other texts.