> can you even include commas in Windows filenames?
Yes.
> Use any character in the current code page for a name, including Unicode characters and characters in the extended character set (128–255), except for the following:
The following reserved characters:
Yes.
> Use any character in the current code page for a name, including Unicode characters and characters in the extended character set (128–255), except for the following: The following reserved characters:
< (less than)
> (greater than)
: (colon)
" (double quote)
/ (forward slash)
\ (backslash)
| (vertical bar or pipe)
? (question mark)
* (asterisk)
https://learn.microsoft.com/en-us/windows/win32/fileio/namin...