There is another identifier within the current
scope which has the same name (DECLARATION
CONFLICT).  This is not allowed.  You should
either rename this identifier or the other one.
@1
There is either NO DECLARATION or more than
one visible declaration for this applied
occurrence of an identifier.
@2
The only visible declaration for this applied
occurrence of an identifier belongs to a WRONG
NONTERMINAL CLASS.
@3
The current declaration (document unit) is defined
by (in-)directly using its own declaration (CYCLIC
DEFINITION). This is forbidden.
@201
You have to expand this placeholder.
@202
There is no applied occurrence (or 
there are too many applied occurrences)
for this declaration.
@301
This part of the document has been changed
in both versions.
@302
This part of the document has been added or
changed in this version.
@303
WARNING: Actual binding does not correspond
         to expected binding -
         Modification impossible!
@304
ATTENTION: Expected binding ambiguous, but
           only one actually possible -
           automatically bound!
@305
ATTENTION: Automatically bound!
@306
ATTENTION: No binding possible!
@351
This applied identifier
has lost its declaration.
@352
This identifier has been
bound to a new declaration.
@353
This increment has been modified.
