Christian Moe writes: > Hi, > > This is actually easy because Org allows named footnotes (numbers are > really just a special case of names). > > Make backup copies of your files for safety's sake, then visit file1.org > and M-% to replace all instances of "fn:" with (for example) > "fn:file1_". The footnotes will now be named fn:file1_1, fn:file1_2, > etc. At this point all your footnotes across the two documents are > already uniquely named (but you can of course also do the corresponding > thing to file2 if you like). Merge away.
Yeah, that's the main method I can think of too (<https://orgmode.org/list/87imi9iim3....@kyleam.com>). And after merging, you can convert the references back to numbers by normalizing with 'C-c C-x f n' if you'd like (and assuming what I wrote at the above thread is correct).