There are a couple of instances of M.P. for example that don’t have wrapping abbr elements (in that case with class="initialism"). Can you read through https://standardebooks.org/manual/1.0.0/8-typography#8.10 and then check the text for other abbreviations? A quick search turned up D.C., M.P., and N.B., and I guess there might be more.
There are a couple of instances of
M.P.
for example that don’t have wrapping abbr elements (in that case withclass="initialism"
). Can you read through https://standardebooks.org/manual/1.0.0/8-typography#8.10 and then check the text for other abbreviations? A quick search turned up D.C., M.P., and N.B., and I guess there might be more.