--- a/stage1_2/iec.flex	Fri Oct 24 16:38:26 2008 +0200
+++ b/stage1_2/iec.flex	Fri Nov 21 13:43:49 2008 +0100
@@ -534,7 +534,6 @@
 octal_digit	[0-7]
 hex_digit	{digit}|[A-F]
 identifier	({letter}|(_({letter}|{digit})))((_?({letter}|{digit}))*)
-invalid_identifier ({letter}|{digit}|_)*
 
 /*******************/
 /* B.1.2 Constants */
@@ -885,18 +884,19 @@
 	/* body_state -> (il_state | st_state) */
 <body_state>{
 {st_whitespace_no_pragma}			/* Eat any whitespace */
-{qualified_identifier}{st_whitespace}":="	unput_text(0); BEGIN(st_state);
+{qualified_identifier}{st_whitespace}":="	  unput_text(0); BEGIN(st_state);
 {qualified_identifier}"["			unput_text(0); BEGIN(st_state);
 
-RETURN						unput_text(0); BEGIN(st_state);
-IF						unput_text(0); BEGIN(st_state);
+RETURN					unput_text(0); BEGIN(st_state);
+IF							unput_text(0); BEGIN(st_state);
 CASE						unput_text(0); BEGIN(st_state);
-FOR						unput_text(0); BEGIN(st_state);
+FOR							unput_text(0); BEGIN(st_state);
 WHILE						unput_text(0); BEGIN(st_state);
-REPEAT						unput_text(0); BEGIN(st_state);
+REPEAT					unput_text(0); BEGIN(st_state);
 EXIT						unput_text(0); BEGIN(st_state);
+
 	/* ':=' occurs only in transitions, and not Function or FB bodies! */
-:=						unput_text(0); BEGIN(st_state);  
+:=							unput_text(0); BEGIN(st_state);
 
 	/* Hopefully, the above rules (along with the last one),
          * used to distinguish ST from IL, are 
@@ -1484,7 +1484,6 @@
 	 *
 	 *  e.g.:  ':'  '('  ')'  '+'  '*'  ...
 	 */
-{invalid_identifier} return INVALID_IDENTIFIER;
 .	{return yytext[0];}
 
 

--- a/stage1_2/iec.y	Fri Oct 24 16:38:26 2008 +0200
+++ b/stage1_2/iec.y	Fri Nov 21 13:43:49 2008 +0100
@@ -295,7 +295,6 @@
 */
 %token <ID>	identifier_token
 %type  <leaf>	identifier
-%token INVALID_IDENTIFIER
 
 /*********************/
 /* B 1.2 - Constants */
@@ -839,6 +838,7 @@
 %type  <leaf>	transition_priority
 %type  <leaf>	transition_condition
 %type  <leaf>	action
+%type  <leaf>	action_body
 %type  <leaf>	transition_name
 
 
@@ -5067,24 +5067,35 @@
 
 action:
 //  ACTION identifier ':' ... 
-  ACTION action_name ':' {cmd_goto_body_state();} function_block_body END_ACTION
-	{$$ = new action_c($2, $5, locloc(@$));}
-/* ERROR_CHECK_BEGIN */
-| ACTION ':' {cmd_goto_body_state();} function_block_body END_ACTION
-  {$$ = NULL; print_err_msg(locl(@1), locf(@2), "no action name defined in action declaration."); yynerrs++;}
-| ACTION error ':' {cmd_goto_body_state();} function_block_body END_ACTION
+  ACTION action_name {cmd_goto_body_state();} action_body END_ACTION
+	{$$ = new action_c($2, $4, locloc(@$));}
+/* ERROR_CHECK_BEGIN */
+| ACTION {cmd_goto_body_state();} action_body END_ACTION
+  {$$ = NULL; print_err_msg(locl(@1), locf(@3), "no action name defined in action declaration."); yynerrs++;}
+| ACTION error {cmd_goto_body_state();} action_body END_ACTION
 	{$$ = NULL; print_err_msg(locf(@2), locl(@2), "invalid action name defined in action declaration."); yyerrok;}
 | ACTION action_name {cmd_goto_body_state();} function_block_body END_ACTION
 	{$$ = NULL; print_err_msg(locl(@2), locf(@4), "':' missing after action name in action declaration."); yynerrs++;}
-| ACTION action_name ':' END_ACTION
-	{$$ = NULL; print_err_msg(locl(@3), locf(@4), "no body defined in action declaration."); yynerrs++;}
-/*| ACTION action_name ':' {cmd_goto_body_state();} function_block_body END_OF_INPUT
-	{$$ = NULL; print_err_msg(locf(@1), locl(@3), "unclosed action declaration."); yyerrok;}*/
+/*| ACTION action_name {cmd_goto_body_state();} action_body END_OF_INPUT
+	{$$ = NULL; print_err_msg(locf(@1), locl(@2), "unclosed action declaration."); yyerrok;}*/
 | ACTION error END_ACTION
 	{$$ = NULL; print_err_msg(locf(@2), locl(@2), "unknown error in action declaration."); yyerrok;}
 /* ERROR_CHECK_END */
 ;
 
+action_body:
+  ':' function_block_body
+  {$$ = $2;}
+/* ERROR_CHECK_BEGIN */
+| ':' error
+	{$$ = NULL;
+	 if (is_current_syntax_token()) {print_err_msg(locl(@1), locf(@2), "no body defined in action declaration.");}
+	 else {print_err_msg(locf(@2), locl(@2), "invalid body defined in action declaration."); yyclearin;}
+	 yyerrok;
+	}
+/* ERROR_CHECK_END */
+;
+
 
 /********************************/
 /* B 1.7 Configuration elements */