Since the file is not all that long...
[?xml version="1.0" encoding="utf-8" ?]
[PlanetDescriptions]
[DataChecksum NoParse="1"]
[Ignore]Name,ColorScheme[/Ignore]
[/DataChecksum]
[!--
[PlanetDescription]
[Name]BarrenNoPotential[/Name]
[ColorScheme]Barren[/ColorScheme]
[UsableElevationRange]0.4,0.8[/UsableElevationRange]
[EnhancementPotential]0[/EnhancementPotential]
[ClassRange]1,7[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]BarrenWithPotential[/Name]
[ColorScheme]Barren[/ColorScheme]
[UsableElevationRange]0.4,0.75[/UsableElevationRange]
[EnhancementPotential]10[/EnhancementPotential]
[ClassRange]1,7[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]MidClassNoPotential[/Name]
[ColorScheme]MoreWater[/ColorScheme]
[UsableElevationRange]0.40,0.7[/UsableElevationRange]
[EnhancementPotential]0[/EnhancementPotential]
[ClassRange]8,12[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]MidClassWithPotential[/Name]
[ColorScheme]MoreWater[/ColorScheme]
[UsableElevationRange]0.40,0.7[/UsableElevationRange]
[EnhancementPotential]10[/EnhancementPotential]
[ClassRange]8,12[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]EarthlikeNoPotential[/Name]
[ColorScheme]Earthlike[/ColorScheme]
[UsableElevationRange]0.4,0.7[/UsableElevationRange]
[EnhancementPotential]0[/EnhancementPotential]
[ClassRange]13,36[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]EarthlikeWithPotential[/Name]
[ColorScheme]Earthlike[/ColorScheme]
[UsableElevationRange]0.35,0.7[/UsableElevationRange]
[EnhancementPotential]10[/EnhancementPotential]
[ClassRange]13,36[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]AfricalikeNoPotential[/Name]
[ColorScheme]DesertCenter[/ColorScheme]
[UsableElevationRange]0.35,0.55[/UsableElevationRange]
[EnhancementPotential]0[/EnhancementPotential]
[ClassRange]13,18[/ClassRange]
[/PlanetDescription]
--]
[PlanetDescription]
[Name]Testing123[/Name]
[ColorScheme]Earthlike[/ColorScheme]
[UsableElevationRange]0.35,0.7[/UsableElevationRange]
[EnhancementPotential]17[/EnhancementPotential]
[ClassRange]10,15[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]Eden[/Name]
[ColorScheme]PerfectPlanet[/ColorScheme]
[UsableElevationRange]0.35,0.7[/UsableElevationRange]
[EnhancementPotential]10[/EnhancementPotential]
[ClassRange]16,100[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]OceanPlanets1[/Name]
[ColorScheme]OceanPlanet[/ColorScheme]
[UsableElevationRange]0.7,0.99[/UsableElevationRange]
[EnhancementPotential]20[/EnhancementPotential]
[ClassRange]5,9[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]DesertPlanets1[/Name]
[ColorScheme]DesertPlanet[/ColorScheme]
[UsableElevationRange]0.3,0.5[/UsableElevationRange]
[EnhancementPotential]40[/EnhancementPotential]
[ClassRange]0,7[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]IcePlanets1[/Name]
[ColorScheme]IcePlanet[/ColorScheme]
[UsableElevationRange]0.3,0.5[/UsableElevationRange]
[EnhancementPotential]20[/EnhancementPotential]
[ClassRange]0,8[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]JunglePlanets1[/Name]
[ColorScheme]JunglePlanet[/ColorScheme]
[UsableElevationRange]0.29,0.40[/UsableElevationRange]
[EnhancementPotential]30[/EnhancementPotential]
[ClassRange]4,7[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]RockAndSandPlanet[/Name]
[ColorScheme]RockPlanet1[/ColorScheme]
[UsableElevationRange]0.75,0.99[/UsableElevationRange]
[EnhancementPotential]20[/EnhancementPotential]
[ClassRange]0,6[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]JustRockPlanet[/Name]
[ColorScheme]RockPlanet2[/ColorScheme]
[UsableElevationRange]0.5,0.7[/UsableElevationRange]
[EnhancementPotential]10[/EnhancementPotential]
[ClassRange]0,3[/ClassRange]
[/PlanetDescription]
[PlanetDescription]
[Name]RedPlanet[/Name]
[ColorScheme]RedPlanet1[/ColorScheme]
[UsableElevationRange]0.6,0.75[/UsableElevationRange]
[EnhancementPotential]10[/EnhancementPotential]
[ClassRange]0,3[/ClassRange]
[/PlanetDescription]
[/PlanetDescriptions]
All you have to do is copy it into Notepad and do an Edit-Replace to change the [ back to < and the ] back to >.
Then save it as PlanetDescriptions.xml, overwriting the messed up one.
Next time, use the Mods folders, that is why they are there.
(or at the very least, save a copy of the original in a different folder)
On a different note:
Main Entry: un·wit·ting
Pronunciation: -'wi-ti[ng]
Function: adjective
1 : not knowing : UNAWARE