Re: CI failure on Solaris 11.4

[Bruno Haible via Bug reports for the GNU Texinfo documentation system]

Gavin Smith wrote:
> I don't want to
> use a raw DEL byte in the test file (as it's hard to type in my text
> editor), and there isn't a portable Bourne shell way to escape
> a character AFAIK

What's wrong with

  del=`printf '\177'`
  q='['"$del"']\{0,1\}'

?

Bruno