Thank you Alejandro for your pointing out to the misprint of the archive name of the RegularChains module. Unfortunately I can't edit my post - I do not see "Edit" link. 

In MPE editor locals and exports definitions take 450 lines because of formatting. Using this number, I want to show that there are really huge modules.

.maple file has simple text format. 

You can explore these files in any text editor. 

Nevertheless, if the community does not want to read my articles, I will not write here anymore.