Re: [here string] uncompatible change on here string function

[PePa]

On 11/23/2017 02:23 AM, Chet Ramey wrote:
> The bash-4.2 man page defers the description of here strings to the
> description of here documents. The lines in a here document do not undergo
> word splitting.  It was a bug in bash-4.2 that the WORD in a here string
> was split.
>
> This finally got fixed in bash-4.4, as described by this CHANGES entry:
>
> z.  Bash no longer splits the expansion of here-strings, as the documentation
>      has always said.

I would think it is useful (and according to how things work in general) 
to have a different behavior for <<<"$a" and <<<$a

If one wants to have all line-breaks, spaces and tabs preserved, use 
<<<"$a" otherwise use <<<$a

Peter