Enable language page categories

Author: AlexDaniel

Makefile

@@ -7,8 +7,8 @@ COLON_Z              := :Z
 SELINUX_OPT          := $(shell [ $(DOCKER_SELINUX_LABEL) -eq 1 ] && echo "$(COLON_Z)" || echo '' )
 # dependencies for a new doc/Language build:
 LANG_POD6_SOURCE     := $(wildcard doc/Language/*.pod6)
-# set to True if the language index page is to be managed
-USE_CATEGORIES := False
+# Managing of the language index page
+USE_CATEGORIES := True
 
 .PHONY: html init-highlights html-nohighlight sparse assets webdev-build \
 	bigpage test xtest ctest help run clean-html clean-images \