Document .foo.bar in manual

diff --git a/docs/content/3.manual/manual.yml b/docs/content/3.manual/manual.yml
index a43c795255c345e198bdb3f4c9980f45d61e9a06..d9014a55b5cc018b38d99fef0a267194f1bb0b4d 100644 (file)
--- a/docs/content/3.manual/manual.yml
+++ b/docs/content/3.manual/manual.yml
@@ -190,7 +190,7 @@ sections:
             input: '"Hello, world!"'
             output: ['"Hello, world!"']
 
-      - title: "`.foo`"
+      - title: "`.foo`, `.foo.bar`"
         body: |
           
           The simplest *useful* filter is `.foo`. When given a
@@ -199,6 +199,8 @@ sections:
 
           If the key contains special characters, you need to surround
           it with double quotes like this: `."foo$"`.
+
+          A filter of the form `.foo.bar` is equivalent to `.foo|.bar`.
           
         examples:
           - program: '.foo'