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-rw-r--r--doc/guix.texi5
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 8384eee6c3..054449d8d6 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -6296,10 +6296,11 @@ A more generic procedure to rewrite a package dependency graph is
@code{package-mapping}: it supports arbitrary changes to nodes in the
graph.
-@deffn {Scheme Procedure} package-mapping @var{proc} [@var{cut?}]
+@deffn {Scheme Procedure} package-mapping @var{proc} [@var{cut?}] [#:deep? #f]
Return a procedure that, given a package, applies @var{proc} to all the packages
depended on and returns the resulting package. The procedure stops recursion
-when @var{cut?} returns true for a given package.
+when @var{cut?} returns true for a given package. When @var{deep?} is true, @var{proc} is
+applied to implicit inputs as well.
@end deffn
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