So, this bug has been here for a while now. I have come to the conclusion no one is doing anything about it so here I am. This bug is where you will see that the textures of many old double-blocked items are messed up, such as beds and doors of all types. I honestly think you might have accidentally placed the texture boxes backwards for these items, so you should mess around with the textures of these old double-blocked objects until they look the same again, or at least to where we can't notice it.
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Please do not mark unreleased versions (anything starting with "Future Version") as affected. You don't have access to them yet and it is in fact fixed for 1.7.3.
Duplicate of MC-37106 - If you have not , please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.