* Textblock has three important parts, the text paragraphs, the format nodes
* and the cursors.
*
- * You can use markup to format text, for example: "<font_size=50>Big!</font>".
+ * You can use markup to format text, for example: "<font_size=50>Big!</font_size>".
* You can also put more than one style directive in one tag:
* "<font_size=50 color=#F00>Big and Red!</font_size>".
* Please notice that we used "</font_size>" although the format also included