On Thu, 11 Feb 2016, Makarius wrote:
After reading the official (!) sources of bash-4.3, I've found out the
following: Not the bash guys are introducing this ill-formed name
decoration "%%", but the Debian guys. See
http://sourcesdev.debian.net/patches/bash/4.3-14/bash43-027.diff
This means dash is not working against bash, but against Debian. Or
rather: Debian is working against themselves and their users.
Yet another update.
On another mailing list, someone else pointed out that this change might
be due to the "shell shock" desaster from 2014:
https://en.wikipedia.org/wiki/Shellshock_%28software_bug%29
If the malformedness of environment variables that are meant to be
functions is important for bash43-027.diff above, the ball might be back
on the side of dash.
In any case, the Debian guys need to get involved, but I am myself not a
member of that society.
Makarius
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