13/17: refcard: Add "guix package -I".

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository maintenance.

commit 08fae6b5bcf05e5aa17edbf817ec86d209b8f26c
Author: Ricardo Wurmus <rekado@elephly.net>
AuthorDate: Mon May 30 13:34:07 2022 +0200

    refcard: Add "guix package -I".
---
 doc/refcard/guix-refcard.lout | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/refcard/guix-refcard.lout b/doc/refcard/guix-refcard.lout
index fa64f2b..66b5fc0 100644
--- a/doc/refcard/guix-refcard.lout
+++ b/doc/refcard/guix-refcard.lout
@@ -83,6 +83,7 @@ the sequel.  Here are some examples:
 @Entry {  guix remove @Var { name}@Dots  } {  remove packages  }
 @Entry {  guix package -m @Var { file } } { instantiate from manifest }
 @Entry {  guix package "--"roll-back  } {  roll back  }
+@Entry {  guix package -I  } {  list installed packages  }
 @Entry {  guix package -l  } {  list profile generations  }
 @Entry {  guix package "--"search-paths  } {  display search paths  }
 @Entry {  guix package -p @Var { profile } @Dots  } {  use a different profile 
 }