The Modern Forgery Hypothesis

[eggyk]

Anyway, sorry for the long answer. And no, I am not claiming any of my opinions above prove anything, they are just answers based on my opinions, my view of these matters.

No it's no problem! I'll focus on the part below for this reply and i'll think about the other parts after 

By the way, I was wondering... can you post (sorry if you did, and I missed it) the origins and years and location of the matching examples you did find? Do they fit the requirements of my Theorem #1, as in being in print by 1910?

One thing that I would like to mention is that I have deliberately attempted to search for all of the month name forms all the way to the 20th century, specifically to remove bias in this respect. I found it entirely possible that the forms may have been, say, 19th century german, so my OCR scan searches are inclusive of all later digitised sources. This includes things like newspapers. When doing this, I also have redone the search with many common mistaken OCR readings to lower the chance that they get missed (one of the aberillens was actually found by searching for averillen). 

For printed works, one of the benefits of printed materials is that OCR scans work really well for those sources as the typeset is generally standardised (and their mistakes and misprints are somewhat standardised too).
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As far as I know, 'aberil' is not present in printed works.

Here are the 3 examples in manuscripts:
You are not allowed to view links. Register or Login to view.  ,1475-1525AD, Germany S, Rebdorf
You are not allowed to view links. Register or Login to view.   ,1201-1300, Austria, Judenberg?
You are not allowed to view links. Register or Login to view.  ,1418-1420 France E, Strasbourg (3rd line from bottom)

Here are the 2 records found by @DG97EEB containing many instances of aberil from the alps. The earlier record contains ~2x more aberils than the later one. (ctrl+f within the pdfs to find):
You are not allowed to view links. Register or Login to view. (covers records from 1641-1732AD)
You are not allowed to view links. Register or Login to view. (covers records from 1733-1834AD)

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There is a similar situation with 'yong' or 'jong'. I have not found any printed material that uses that month name form. 

You are not allowed to view links. Register or Login to view. ,1301-1325AD, England?
You are not allowed to view links. Register or Login to view., 1301?-1400AD?, France N, Picardy (See my post You are not allowed to view links. Register or Login to view. where I showed some provenance, along with evidence that it was made for someone travelling between Holland and England)

For the "art de kalender" example, iong seems to be a shortened 'ioing', similar to the commonly seen 'jung' instead of 'juing'. "joing" is normally seen in N/NE france. 

Joing Examples
You are not allowed to view links. Register or Login to view. (right side, 11th line) 1340AD France NE? Noyon?
You are not allowed to view links. Register or Login to view. , 1350-1399AD, France
You are not allowed to view links. Register or Login to view., 1430AD, France NE, Champagne
You are not allowed to view links. Register or Login to view. , 1401-1500AD, France NE, Metz
You are not allowed to view links. Register or Login to view. , 1450-1460AD,  France NE,  Reims
You are not allowed to view links. Register or Login to view. (f8r) 1470-1490AD, France


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I don't believe there are any 'octembre' examples in printed works. I did find a couple of (presumably mistaken)
'octem-'     
-bre'
instances in some 19th century newspapers that I shared You are not allowed to view links. Register or Login to view.. If I remember correctly, they almost always occured on line breaks.  

However, octembre is far more widespread and easy to find in manuscripts, and are normally from N/NE france. In You are not allowed to view links. Register or Login to view. from a while ago I plotted the octembre vs octobre ratios from found sources across 20 year periods. The methodology would need to be improved of course, but the surprising trend was actually that for a great part of the 14th century, octembre seems more common than octobre. The instances of octembre strongly peaks just before the VMS carbon dating range, actually. 
   
   

I believe that more thorough work could be done on this, as the coincidence is striking. As I said in the post, if this had been shown pre-carbon dating it would have been very interesting.

If there are any other specific examples that I mentioned, let me know.