bug#11328: 24.1.50; Comment in `dired-copy-file-recursive' code

[Thierry Volpiatto]

Hi Drew,
about fluid variables in dired code, particularly in
`dired-create-files', I would say instead of fluid "obscure", as they
are variables that must be in any calls of `dired-create-files' within a
lambda used as argument of this function.
I think it would be better to have explicit arg in the caller and have
also the lambda's there.
The code would be easier to read and understand and no need to have
obscure comments such as "fluid variable...etc".

-- 
  Thierry
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