Deletion of Programming Languages: Application and Interpretation

Comment: After checking some of the links, it is clear that this textbook is used in more than two colleges/universities and thus meets  #4
Stance: keep
Cited policy: Wikipedia:Notability (WP:BKCRIT)

Comment: this seems to comfortably satisfy 
Stance: keep
Cited policy: Wikipedia:Notability (WP:TEXTBOOKS)

Comment: per 
Stance: keep
Cited policy: Wikipedia:Notability (WP:TBK)