Rename gen_doc_cache() to doc_cache_create(). * scripts/help/doc_cache_create.m: Renamed from gen_doc_cache.m * scripts/help/gen_doc_cache.m: deleted. * scripts/help/module.mk: Add doc_cache_create to build system. * scripts/deprecated/module.mk: Add gen_doc_cache to deprecated directory. * NEWS: Add note about deprecated function gen_doc_cache and new function doc_cache_create. * doc/interpreter/basics.txi: Add doc_cache_create to manual. * libgui/src/resource-manager.cc: Update list of keywords to include doc_cache_create. * libinterp/interpfcn/help.cc: Add seealso links to doc_cache_create. * scripts/pkg/private/generate_lookfor_cache.m: Change function calls to doc_cache_create.

--- a/scripts/help/module.mk
+++ b/scripts/help/module.mk
@@ -8,7 +8,7 @@
   help/__makeinfo__.m \
   help/__unimplemented__.m \
   help/doc.m \
-  help/gen_doc_cache.m \
+  help/doc_cache_create.m \
   help/get_first_help_sentence.m \
   help/help.m \
   help/lookfor.m \