The collection of tags in a gtk.text_buffer.TextBuffer

You may wish to begin by reading the text widget conceptual overview, which gives an overview of all the objects and data types related to the text widget and how they work together.

GtkTextTagTables as GtkBuildable

The gtk.text_tag_table.TextTagTable implementation of the gtk.buildable.Buildable interface supports adding tags by specifying “tag” as the “type” attribute of a <child> element.

An example of a UI definition fragment specifying tags:

<object class="GtkTextTagTable">
 <child type="tag">
   <object class="GtkTextTag"/>
 </child>
</object>