There are bugs in "page-a.ms". The last one is for a trailing space.
Found by using the options "-ww -b -z" (except the trailing space) and patched HDTBL macros. --- page-a.ms 2023-12-16 17:42:06.000000000 +0000 +++ page-a.new.ms 2023-12-16 18:06:58.000000000 +0000 @@ -3,7 +3,7 @@ .. \Z'\ \h'-1i'\v'10.52i'\ -\X'ps: import floral-border.eps 0 0 595 842 594000' +\X'ps: import floral-border.eps 0 0 595 842 594000'' .so macros.ms \#.fam source .sp -.5c @@ -21,10 +21,10 @@ \Z'\v'0.5m'\D'P 0 -1.7m \n[bwd]u 0 0 1.7m -\n[bwd]u 0'\v'-0.5m''\ \X'ps: exec 1 setgray'\0with Open Source Software\0 \Z'\ - +' \#.PSPIC -C page-symbol.eps 2i .LP -\*[DGREY]\f[B]Duis ac purus elementum, posuere metus nec, porttitor mauris aliquam scelerisque lacus ultrice.\f[R] Sollicitudin libero a, iaculis augue. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam condimentum luctus urna vel sodales. Etiam leo justo, lacinia id vehicula eu, facilisis sit amet nunc. +\*[DGREY]\f[B]Duis ac purus elementum, posuere metus nec, porttitor mauris aliquam scelerisque lacus ultrice.\f[R] Sollicitudin libero a, iaculis augue. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam condimentum luctus urna vel sodales. Etiam leo justo, lacinia id vehicula eu, facilisis sit amet nunc. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam condimentum luctus urna vel sodales. Etiam leo justo, lacinia id vehicula eu, facilisis sit amet nunc. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam condimentum luctus urna vel sodales. .br .po .93i