TZUTC: -0700   
   MSGID: 58479.sync_sys@1:103/705 2d00a663   
   PID: Synchronet 3.21a-Linux master/27cbebcb9 Aug 10 2025 GCC 12.2.0   
   TID: SBBSecho 3.29-Linux master/27cbebcb9 Aug 10 2025 GCC 12.2.0   
   BBSID: VERT   
   CHRS: UTF-8 4   
   FORMAT: flowed   
   https://gitlab.synchro.net/main/sbbs/-/issues/953#note_7529   
      
   Not "unique" in any way... basically, v3.20 thought something worth pausing   
   for was written after the last CUP sequence and v3.21 knows that is not true.   
      
   There's really two contributing factors here:   
      
   1. The line counter is reset on ANSI animation where "ANSI animation" is   
   defined as "something that moves to a different line".   
   2. The line counter does not increment from zero for blank lines where "blank   
   line" was very complicated in v3.20 and is simpler, but still not documented   
   in v3.21.   
      
   The basic difference is that how the cursor is moved around used to result in   
   column being incorrect, but now column is correct, so the result is detected   
   as a blank lines which, at the top of a new screen, do not increment the line   
   counter.   
   --- SBBSecho 3.29-Linux   
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