Like TextBuffer.insert, but the insertion will not occur if
iter is at a non-editable location in the buffer. Usually you
want to prevent insertions at ineditable locations if the insertion
results from a user action (is interactive).
default_editable indicates the editability of text that doesn't
have a tag affecting editability applied to it. Typically the
result of TextView.getEditable is appropriate here.
Like TextBuffer.insert, but the insertion will not occur if iter is at a non-editable location in the buffer. Usually you want to prevent insertions at ineditable locations if the insertion results from a user action (is interactive).
default_editable indicates the editability of text that doesn't have a tag affecting editability applied to it. Typically the result of TextView.getEditable is appropriate here.