This document, like so much other great software out there, was created for free by volunteers. If you are at all knowledgeable about any aspect of gtkmm that does not already have documentation, please consider contributing to this document.
Ideally, we would like you to
provide a merge request to the docs/tutorial/C/index-in.docbook
file.
This file is in the gtkmm-documentation
module in GNOME git.
If you do decide to contribute, please post your contribution as an issue or merge request
to GitLab.
You can also discuss your ideas on GNOME's Discourse
instance, under the
Platform/Language bindings category with a cplusplus
tag.
Also, be aware that the entirety of this document is free, and any addition you provide
must also be free. That is, people must be able to use any portion of
your examples in their programs, and copies of this document
(including your contribution) may be distributed freely.