Make all variables in Lua scripts local.

share/library/Passive/capacitor.lua

@@ -1,18 +1,18 @@
 -- Symbol name
-names =
+local names =
 {
 	en = "Capacitor",
 	cs = "Kondenzátor"
 }
 
 -- Render area in base units (X1, Y1, X2, Y2)
-area = {-2, -1, 2, 1}
+local area = {-2, -1, 2, 1}
 
 -- Terminals
-terminals = {{-2, 0}, {2, 0}}
+local terminals = {{-2, 0}, {2, 0}}
 
 -- Rendering
-render = function (cr)
+local render = function (cr)
 	-- The vertical lines
 	cr.move_to (-0.2, -1)
 	cr.line_to (-0.2, 1)

share/library/Passive/diode.lua

@@ -1,18 +1,18 @@
 -- Symbol name
-names =
+local names =
 {
 	en = "Diode",
 	cs = "Dioda"
 }
 
 -- Render area in base units (X1, Y1, X2, Y2)
-area = {-2, -1, 2, 1}
+local area = {-2, -1, 2, 1}
 
 -- Terminals
-terminals = {{-2, 0}, {2, 0}}
+local terminals = {{-2, 0}, {2, 0}}
 
 -- Rendering
-render = function (cr)
+local render_normal = function (cr)
 	-- The triangle
 	cr.move_to (-1, -1)
 	cr.line_to (1, 0)

share/library/Passive/inductor.lua

@@ -1,24 +1,24 @@
 -- Symbol names
-names_normal =
+local names_normal =
 {
 	en = "Inductor",
 	cs = "Cívka"
 }
 
-names_core =
+local names_core =
 {
 	en = "Inductor with magnetic core",
 	cs = "Cívka s magnetickým jádrem"
 }
 
 -- Render area in base units (X1, Y1, X2, Y2)
-area = {-2, -1, 2, 0}
+local area = {-2, -1, 2, 0}
 
 -- Terminals
-terminals = {{-2, 0}, {2, 0}}
+local terminals = {{-2, 0}, {2, 0}}
 
 -- Rendering
-render_normal = function (cr)
+local render_normal = function (cr)
 	-- The arcs
 	cr.arc (-1.5, 0, 0.5, math.pi, 0)
 	cr.arc (-0.5, 0, 0.5, math.pi, 0)
@@ -27,7 +27,7 @@ render_normal = function (cr)
 	cr.stroke ()
 end
 
-render_core = function (cr)
+local render_core = function (cr)
 	render_normal (cr)
 
 	-- The core

share/library/Passive/resistor.lua

@@ -1,18 +1,18 @@
 -- Symbol name
-names =
+local names =
 {
 	en = "Resistor",
 	cs = "Rezistor"
 }
 
 -- Render area in base units (X1, Y1, X2, Y2)
-area = {-2, -0.5, 2, 0.5}
+local area = {-2, -0.5, 2, 0.5}
 
 -- Terminals
-terminals = {{-2, 0}, {2, 0}}
+local terminals = {{-2, 0}, {2, 0}}
 
 -- Rendering
-render = function (cr)
+local render = function (cr)
 	-- The rectangle
 	cr.move_to (-1.5, -0.5)
 	cr.line_to (1.5, -0.5)