Yeah, that was it. My program didn't recognize the first one because it thought it was the subject field. It's corrected now, and you officially got 17 in 1. I'm not sure if that deserves a medal or the guillotine.
NOTES:
I highlighted all new or changed cells bright yellow. The two important rows are 89 and 90 in the worksheet. (This highlighting will be removed the next time I update the workbook, assuming I remember.)
All the posts from 208b to 208p (column C) had their letter incremented by one. A new line for 208b was then added, to split up 208a and 208b.
I also changed column H, adding 1 to all "Post Order" entries from the 232 to 258, and then added a new 232.
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For those who haven't been keeping up with this thread, column C has the
original post number as it is recorded on the forum thread. If you sort by column C, the posts that have a number and a letter (like 208a above) will be out of order, as Excel treats them as text.
Column H holds a unique number corresponding to
that line's post order, but including extra numbers (rather than letters) for posts with more than one errata per post. So, if you sort by column H, you get the broken up posts still lined up in the order they were posted.
The default sort order is by column D (page number referred to in the post).