====== Group template declarations ======
===== group_template_declaration =====
<code vhdl>group identifier is ( entity_class_entry_list ) ;</code>

===== Parents =====
  * entity_declarative_part
  * architecture_declarative_part
  * package
  * package_body
  * block_declarative_part
  * function_declarative_part
  * procedure_declarative_part
  * process_declarative_part

===== Further definitions =====
==== entity_class_entry_list ====
  entity_class_entry { , entity_class_entry }

==== entity_class_entry ====
''[[.:bnf#entity_class]] [ <> ]''

===== Examples =====
Groups of this type consist of two signals.
<code vhdl>
GROUP pin2pin IS ( SIGNAL , SIGNAL ) ;
</code>

----

Groups of this type consist of any number of signals.
<code vhdl>
GROUP pin_set IS ( SIGNAL <>) ;
</code>

----

Groups of this type consist of any number of files.
<code vhdl>
GROUP file_groups IS ( FILE <>) ;
</code>

----

Groups of this type consist of any number of groups.
<code vhdl>
GROUP gog IS ( GROUP <>) ;
</code>