correct metainformation export + test

tests/05-output.txt

@@ -0,0 +1,33 @@
+Document [Cyberiada-GraphML-1.0] {Element type: doc, id: '', name: 'Test document 2', meta: {standard version: '1.0', platform name: 'Berloga', platform version: '1.4', platform language: 'script', target system: 'Unit', name: 'Test document 2', author: 'Author', contact: 'platform@kruzhok.org', description: '1
+2
+3', version: '0.1', date: '2024-04-14 11:22', markup language: 'html', transition order: exit first, event propagation: propagate events}, elements: {State Machine {Element type: stm, id: 'G0', name: 'SM', elements: {Comment { formal, Element type: fco, id: 'nMeta', name: 'CGML_META', body: 'standardVersion/ 1.0
+
+platform/ Berloga
+
+platformVersion/ 1.4
+
+platformLanguage/ script
+
+target/ Unit
+
+name/ Test document 2
+
+author/ Author
+
+contact/ platform@kruzhok.org
+
+description/ 1
+2
+3
+
+version/ 0.1
+
+date/ 2024-04-14 11:22
+
+markupLanguage/ html
+
+transitionOrder/ exitFirst
+
+eventPropagation/ propagate
+
+'}}}}