Inserts the text in markup at position iter.
markup will be inserted in its entirety and must be nul-terminated and valid UTF-8. Emits the [[email protected]:
GtkTextBuffer:insert-text] signal, possibly multiple times; insertion actually occurs in the default handler for the signal.
iter will point to the end of the inserted text on return.
| this |
a `GtkTextBuffer` |
| iter |
location to insert the markup |
| markup |
a nul-terminated UTF-8 string containing Pango markup |
| len |
length of |