java.lang.StringIndexOutOfBoundsException: String index out of range: 0
   at java.lang.String.charAt(String.java:658)
   at org.netbeans.modules.cnd.apt.support.lang.APTFortranFilterEx$FilterStream.nextToken(APTFortranFilterEx.java:101)
   at org.netbeans.modules.cnd.apt.utils.APTCommentsFilter.nextToken(APTCommentsFilter.java:68)
   at org.netbeans.modules.cnd.apt.utils.APTCommentsFilter.nextToken(APTCommentsFilter.java:57)
   at org.netbeans.modules.cnd.modelimpl.impl.services.ReferenceRepositoryImpl.getTokensToResolve(ReferenceRepositoryImpl.java:412)
   at org.netbeans.modules.cnd.modelimpl.impl.services.ReferenceRepositoryImpl.getReferences(ReferenceRepositoryImpl.java:269)
   at org.netbeans.modules.cnd.modelimpl.impl.services.ReferenceRepositoryImpl.getReferences(ReferenceRepositoryImpl.java:196)
   at org.netbeans.modules.cnd.modelimpl.impl.services.ReferenceRepositoryImpl.getReferences(ReferenceRepositoryImpl.java:216)
   at org.netbeans.modules.cnd.refactoring.plugins.CsmWhereUsedQueryPlugin$OneFileWorker.run(CsmWhereUsedQueryPlugin.java:519)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)