Copyright © 2008, 2009 Arndt Roger Schneider
There are some option database entries for the Rtl_tree. These options control the relationship between nodes and some aspects of there appearance. Glyphs and -font have been mentioned above: Example 4.4, “Using glyphs” and Example 4.3, “Using a »glyphs« font”. There is more:
In addition, connection lines may have different colours. The colouring is controlled by using the assigned »image« as the indicator similar to Example 4.4, “Using glyphs”.