they aren't editable now
MC-17688
Minecraft Texture no longer .txt files. Can't edit them.
Resolved
Works As Intended
1
MC-17688
they aren't editable now
Read about the new format here https://gist.github.com/Dinnerbone/5662824 and download the converter here: https://mojang.com/2013/06/minecraft-snapshot-13w24a/