I discovered a little bug in this routine.
Because showthread uses the sigcache, only the tag line corresponding to a user's first post would be displayed, even though a new signature is generated each time through. So, the routine now disables sigcache if it is processing a tag line.
I also changed the code that pulls postbit.
The only file affected if you have already implemented this hack is showthread.php. Just replace the two tag line hack sections with the new code.
I updated both the instructions in the first post and the attached instructions in the post before this one.
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