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-rw-r--r--doc/guix.texi11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index ce8b977e1b..d7fabe9599 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -5007,6 +5007,17 @@ denoting the target file. Here's an example:
This yields an @code{etc} directory containing these two files.
@end deffn
+@deffn {Scheme Procedure} directory-union @var{name} @var{things}
+Return a directory that is the union of @var{things}, where @var{things} is a list of
+file-like objects denoting directories. For example:
+
+@example
+(directory-union "guile+emacs" (list guile emacs))
+@end example
+
+yields a directory that is the union of the @code{guile} and @code{emacs} packages.
+@end deffn
+
@deffn {Scheme Procedure} file-append @var{obj} @var{suffix} @dots{}
Return a file-like object that expands to the concatenation of @var{obj}
and @var{suffix}, where @var{obj} is a lowerable object and each