@@ -35,8 +35,11 @@
 
 lua != which lua
 luac != which luac
 sh != which sh
+
+#sterilize the operating theatre
+lua += -E
 
 extens = $(wildcard ext/*.lua)
 extens-names ?= $(basename $(notdir $(extens)))
 rendrs = $(wildcard render/*.lua)
@@ -60,15 +63,8 @@
 
 dbg-flags-luac = $(if $(debug),,-s)
 dbg-flags-cc = $(if $(debug),-g,-s)
 
-# sterilize the operating theatre
-export LUA_PATH=./?.lua;./?.lc
-export LUA_PATH_5_3=./?.lc;./?.lua
-export LUA_PATH_5_4=./?.lc;./?.lua
-export LUA_INIT=
-export LUA_INIT_5_3=
-export LUA_INIT_5_4=
 
 # by default, we fetch and parse information about encodings we
 # support so that cortav can do fancy things like format math
 # equations by character class (e.g. italicizing variables)
@@ -110,13 +106,14 @@
 	fossil uv add $< --as cortav.html
 	fossil uv sync --all
 
 # clean is written in overly cautious fashion to minimize damage,
-# just in case it ever gets invoked in a bad way
+# just in case it ever gets invoked in a bad way (e.g. build=/)
 .PHONY: clean
 clean:
 	rm -f $(build)/*.{html,lc,sh,txt,desktop} \
-	      $(build)/$(executable){,.bin}
+	      $(build)/$(executable){,.bin} \
+	      $(build)/bind
 	rmdir $(build)
 
 $(build)/%.sh: desk/%.sh | $(build)/
 	echo >$@ "#!$(sh)"