fix #15698 (#15699)
fix #15698 (#15699)

* fix in the net.`$` to print zeros that are not in the compressed group

* Update lib/pure/net.nim

Co-authored-by: Andreas Rumpf <135dcb83a9ab360d374a6872197bb8d57db605a4@web.de>

* Update net.nim

Co-authored-by: Andreas Rumpf <135dcb83a9ab360d374a6872197bb8d57db605a4@web.de>
dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim