insert_interactive_at_cursor

Calls insert_interactive at the cursor position.

default_editable indicates the editability of text that doesn't have a tag affecting editability applied to it. Typically the result of get_editable is appropriate here.

Parameters:

this	a TextBuffer
text	text in UTF-8 format
len	length of text in bytes, or -1
default_editable	default editability of buffer

Returns:

whether text was actually inserted