Update extra information shown in info for proposal.
<note> <para> This function <emphasis>must</emphasis> be implemented when gtksource.completion_provider.CompletionProvider.getInfoWidget is implemented. </para> </note>
a #GtkSourceCompletionProposal.
a #GtkSourceCompletionInfo.
Update extra information shown in info for proposal.
<note> <para> This function <emphasis>must</emphasis> be implemented when gtksource.completion_provider.CompletionProvider.getInfoWidget is implemented. </para> </note>