-each repeat variable is substituted; the second time, the second value
-for each repeat variable is substituted; and so on.
-
-Repeat variable substitutions work like macros. They take place
-anywhere in a line that the repeat variable name occurs as a token,
-including command and subcommand names. For this reason it is not a
-good idea to select words commonly used in command and subcommand names
-as repeat variable identifiers.
+each dummy variable is substituted; the second time, the second value
+for each dummy variable is substituted; and so on.
+
+Dummy variable substitutions work like macros. They take place
+anywhere in a line that the dummy variable name occurs as a token,
+including command and subcommand names. For this reason,
+words commonly used in command and subcommand names should not be used
+as dummy variable identifiers.