LISP I Programmer's Manual - Software Preservation Group

Note that append copies the top level of the first list; appendis like nconc except that nconc does no$ copy its first argument, --copy[xI : machine languageThis function makes a copy of the list x.copy is the location of the copied list,-The value ofmaplis t Cx; f IThe function maplist is a mapping of the list x onto anew list f[x],maplist[x;f 1 = [null[xI N1L;T consif [x];maplist[cdr[x1;fIllmapcon[x; f 1The function mapcon is like the function maplist exceptthat the resultant list is a concatenated one instead ofhaving been created by cons-ing,map[x;f IThe function - map is like the function maplist except thatthe value of - map is MIL, and - map does - not do a cons of the