doc: add some notes in tutorial
@@ -30,7 +30,10 @@ following benefits arise:
- The administrator can choose:
- the configuration file syntax (e.g. XML or JSON)
- notification and logging on configuration changes
+ - defaults on absence of values using specifications
- and all other features [that plugins provide](/src/plugins/)
+- The parsing result is guaranteed to be the same because the same
+ parser will be used.
- Other applications can use your configuration as override or as
fallback (see below)
