Re: (unknown)

[Luc Teirlinck]

Oliver Scholz wrote:

   The doc-string of `substitute-env-vars' says:

   ,----
   | The variable name should be terminated with a character not a
   | letter, digit or underscore; otherwise, enclose the entire variable
   | name in braces.
   `----

But it seems understood that the end of the string is an OK
termination too, even if this is not explicitly mentioned.

Anyway, without my patch, 

(substitute-env-vars "X$T5 ")

gives:

"X$T5 "

even though a space is neither a letter, nor a digit, nor an
underscore.

Sincerely,

Luc.