Describe Generator in guide

guide.lua

@@ -64,9 +64,11 @@ end
 local function createMachineInformationTable(fields,machineName)
 	local fieldLabels={
 		inputVoltage="Input voltage level",
+		outputVoltage="Output voltage level",
 		recipe="Recipe type",
 		powerCapacity="Power capacity",
 		opPower="Power per operation",
+		powerPerFuel="Power per fuel unit",
 		efficiency="Default efficiency"
 	}
 
@@ -341,6 +343,38 @@ local pages={
 				<left>||Picture 1. Extractor extracting <item name="{{elementKeyRubber}}" height="{{ITEM_HEIGHT}}"> <b>Rubber</b> from <item name="{{elementKeyRubberWood}}" height="{{ITEM_HEIGHT}}"> <b>Rubber Wood</b>||</left>
 			]]
 		}
+	},
+
+	{
+		name="generator",
+		title=S("Generator"),
+		icon="industrialtest:generator",
+		content={
+			[[
+				<big>||Generator||</big>
+				<left>
+					||Generator produces energy from various fuels which can be used for smelting. It is the most basic way of powering electric machines and also the simplest to obtain.||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="outputVoltage",
+					value="LV"
+				},
+				{
+					name="powerCapacity",
+					value="7000 EU"
+				},
+				{
+					name="powerPerFuel",
+					value="200 EU"
+				}
+			},S("Generator")),
+			[[
+				<img name="industrialtest_guide_generator.png" width="{{IMAGE_WIDTH}}">
+				<left>||Picture 1. Generator producing power from <item name="{{elementKeyCoal}}" height="{{ITEM_HEIGHT}}"> <b>Coal</b>||</left>
+			]]
+		}
 	}
 }
 
@@ -385,6 +419,7 @@ local function getGuideFormspec(playerName,pageName)
 			local content=preprocessHypertext(table.concat(page.content,""),{
 				IMAGE_WIDTH=550,
 				ITEM_HEIGHT=16,
+				elementKeyCoal=industrialtest.elementKeys.coal,
 				elementKeyIronIngot=industrialtest.elementKeys.ironIngot,
 				elementKeyRubber=industrialtest.elementKeys.rubber,
 				elementKeyRubberWood=industrialtest.elementKeys.rubberWood