In the discussions in June of last year about about the ISO-15919  transliteration standard, I asked if anyone knew of any sanskrit texts transliterated with the ISO-15919 standard and didn't receive any replies.  I also thought that both  TITUS and Madhav Deshpande used that standard, but TITUS uses m underdot for anusvara and differs from ISO-15919, and Madhav said his transliteration scheme in his textbook Saṁskṛtasubodhinī was created without reference to that standard. So I had thought that there were no actual sanskrit etexts  that used the ISO-15919 standard.