Deletion of DELTREE

Comment: With Lesser Cartographies significant rewrite, this is now a well-referenced start-class article sourced to multiple reliable sources. Thus notability of the topic is demonstrated according to . The article content itself is descriptive and encyclopedic with no major problems. A notable topic and an article with no major problems suggests keeping the article. Nice work
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: consider '''partial merge'''. Maybe this article along with rmdir, rm (Unix) and del (command) can be merged into file deletion to diversify its contents but the merge cannot be full because of  policy. Or maybe one can transwiki them all to Wikibooks
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:NOTMANUAL)