src/Doc/Isar_Ref/Document_Preparation.thy

     @{antiquotation_def ML_structure} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def ML_functor} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def emph} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def bold} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def verbatim} & : & \<open>antiquotation\<close> \\
+    @{antiquotation_def bash_function} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def system_option} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def session} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def "file"} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def "url"} & : & \<open>antiquotation\<close> \\
     @{antiquotation_def "cite"} & : & \<open>antiquotation\<close> \\

       @@{antiquotation ML_structure} options @{syntax text} |
       @@{antiquotation ML_functor} options @{syntax text} |
       @@{antiquotation emph} options @{syntax text} |
       @@{antiquotation bold} options @{syntax text} |
       @@{antiquotation verbatim} options @{syntax text} |
+      @@{antiquotation bash_function} options @{syntax embedded} |
       @@{antiquotation system_option} options @{syntax embedded} |
       @@{antiquotation session} options @{syntax embedded} |
       @@{antiquotation path} options @{syntax embedded} |
       @@{antiquotation "file"} options @{syntax name} |
       @@{antiquotation dir} options @{syntax name} |

   \<^descr> \<open>@{bold s}\<close> prints document source recursively, with {\LaTeX} markup
   \<^verbatim>\<open>\textbf{\<close>\<open>\<dots>\<close>\<^verbatim>\<open>}\<close>.
 
   \<^descr> \<open>@{verbatim s}\<close> prints uninterpreted source text literally as ASCII
   characters, using some type-writer font style.
+
+  \<^descr> \<open>@{bash_function name}\<close> prints the given GNU bash function verbatim. The
+  name is checked wrt.\ the Isabelle system environment @{cite
+  "isabelle-system"}.
 
   \<^descr> \<open>@{system_option name}\<close> prints the given system option verbatim. The name
   is checked wrt.\ cumulative \<^verbatim>\<open>etc/options\<close> of all Isabelle components,
   notably \<^file>\<open>~~/etc/options\<close>.