Remove Qt jargon from comments

ui/src/documentmodel.h

@@ -22,22 +22,23 @@ class DocumentModel : public QAbstractListModel {
     Q_PROPERTY(QString document READ document WRITE setDocument NOTIFY documentChanged)
 
 public:
+    // Section fields exposed to QML
     enum Roles {
         TitleRole = Qt::UserRole + 1,
         KeywordRole,
         PriorityRole,
-        TagsRole,         // QStringList
+        TagsRole,
         LevelRole,
         ScheduledRole,
         DeadlineRole,
         SectionIdRole,
-        PathRole,         // full namespace path of the section directory
+        PathRole,
-        IsTodoRole,       // keyword is non-empty
+        IsTodoRole,
-        IsDoneRole,       // keyword is a "done" state (DONE/CANCELLED)
+        IsDoneRole,
-        BodyRole,         // section content beneath the headline (lazy)
+        BodyRole,
-        PropertiesRole,   // QVariantMap of property key -> value
+        PropertiesRole,
-        HasChildrenRole,  // true if section has children
+        HasChildrenRole,
-        ExpandedRole,     // true if section is expanded (children visible)
+        ExpandedRole,
     };
     Q_ENUM(Roles)