I've seen it done in other packs, but they're the wrong definition, and resizing causes blurs. many thanks and to the person who does that. It looks like this: (from sinecraft texture pack.)
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Quote from The_Questioner »
I suggest we adopt a xenophobic attitude towards this clearly deadly threat.
We need to quarantine any infected individuals to prevent this plague from gaining a foot-hold.
Could someone make a 32x32 "loading bar"-like mining cracks?