Paul Eggert wrote: > In reviewing that I found an opportunity to allow even odder situations, > by passing the need to use 'ls', and installed the attached followup.
Avoiding 'ls' is a nice improvement, because it removes the restrictions
on file names.
However,
${source_extra-"$source_extra"}
does word-splitting and globbing expansion of "$source_extra", which
(as far as I understood) is undesired.
Bruno
