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-rw-r--r--doc/guix.texi13
1 files changed, 9 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 1081ed26a3..0f6e95a65a 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -21,7 +21,7 @@
@set SUBSTITUTE-URL https://@value{SUBSTITUTE-SERVER}
@copying
-Copyright @copyright{} 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès@*
+Copyright @copyright{} 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès@*
Copyright @copyright{} 2013, 2014, 2016 Andreas Enge@*
Copyright @copyright{} 2013 Nikita Karetnikov@*
Copyright @copyright{} 2014, 2015, 2016 Alex Kost@*
@@ -31548,10 +31548,12 @@ each other:
@table @code
@item extension-graph
-Emit in Dot/Graphviz format to standard output the @dfn{service
+Emit to standard output the @dfn{service
extension graph} of the operating system defined in @var{file}
(@pxref{Service Composition}, for more information on service
-extensions).
+extensions). By default the output is in Dot/Graphviz format, but you
+can choose a different format with @option{--graph-backend}, as with
+@command{guix graph} (@pxref{Invoking guix graph, @option{--backend}}):
The command:
@@ -31563,11 +31565,14 @@ shows the extension relations among services.
@anchor{system-shepherd-graph}
@item shepherd-graph
-Emit in Dot/Graphviz format to standard output the @dfn{dependency
+Emit to standard output the @dfn{dependency
graph} of shepherd services of the operating system defined in
@var{file}. @xref{Shepherd Services}, for more information and for an
example graph.
+Again, the default output format is Dot/Graphviz, but you can pass
+@option{--graph-backend} to select a different one.
+
@end table
@node Invoking guix deploy