bug#33113: incorrect and inconsistent quoting in ls output

[Vincent Lefevre]

On 2018-10-27 07:28:26 -0700, Pádraig Brady wrote:
> On 23/10/18 17:54, Paul Eggert wrote:
> > On 10/22/18 1:44 AM, Vincent Lefevre wrote:
> >> On the behavior, there's still the issue concerning = and &.
> > 
> > Yes, you're right, there's no need to quote = with -b.
> 
> The reason \= is quoted with -bF is to distinguish socket
> names that end in =. An edge case indeed, though the issue
> is not particular to '=', but all of the classifier chars.
> 
> Now we could quote with -F only if these chars are at the end,
> though I'm not sure that complexity is warranted.

In any case, this form of quoting incorrect with -b, as \= is invalid
in ISO C.

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