Gets the label of @proposal with markup. The label is shown in the list of proposals and may contain markup. This will be used instead of gtk_source_completion_proposal_get_label() if implemented. The returned string must be freed with g_free().
a new string containing the label of @proposal with markup.
See Implementation
Gets the label of @proposal with markup. The label is shown in the list of proposals and may contain markup. This will be used instead of gtk_source_completion_proposal_get_label() if implemented. The returned string must be freed with g_free().