Convert some bools to TRUE/FALSE instead of 1/0.

code/modules/library/lib_items.dm

@@ -16,8 +16,8 @@
 	desc = "A set of wooden shelves, perfect for placing books on."
 	icon = 'icons/obj/library.dmi'
 	icon_state = "book-0"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	opacity = 1
 
 /obj/structure/bookcase/Initialize()
@@ -104,7 +104,7 @@ Book Cart
 	name = "book cart"
 	icon = 'icons/obj/library.dmi'
 	icon_state = "bookcart-0"
-	anchored = 0
+	anchored = FALSE
 	opacity = 0
 
 /obj/structure/bookcase/bookcart/attackby(obj/item/O as obj, mob/user as mob)

code/modules/library/lib_machines.dm

@@ -24,8 +24,8 @@
 	name = "visitor computer"
 	icon = 'icons/obj/library.dmi'
 	icon_state = "computer"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	var/screenstate = 0
 	var/title
 	var/category = "Any"
@@ -127,8 +127,8 @@
 	desc = "Print books from the archives! (You aren't quite sure how they're printed by it, though.)"
 	icon = 'icons/obj/library.dmi'
 	icon_state = "computer"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	var/arcanecheckout = 0
 	var/screenstate = 0 // 0 - Main Menu, 1 - Inventory, 2 - Checked Out, 3 - Check Out a Book
 	var/sortby = "author"
@@ -488,8 +488,8 @@
 	desc = "A scanner for scanning in books and papers."
 	icon = 'icons/obj/library.dmi'
 	icon_state = "bigscanner"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	var/obj/item/weapon/book/cache		// Last scanned book
 
 /obj/machinery/libraryscanner/attackby(var/obj/O as obj, var/mob/user as mob)
@@ -540,8 +540,8 @@
 	desc = "Bundles up a stack of inserted paper into a convenient book format."
 	icon = 'icons/obj/library.dmi'
 	icon_state = "binder"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 
 /obj/machinery/bookbinder/attackby(var/obj/O as obj, var/mob/user as mob)
 	if(istype(O, /obj/item/weapon/paper) || istype(O, /obj/item/weapon/paper_bundle))