Flatten.lsp calls flattensup.lsp
(FLATTENSUP.LSP" ss hide) maybe hide "yes" or "No" I just found the lisps in c:\program files........\EXpress
NOT Tested
Ps Extrim is not that function name rather (Etrim .... for lisp.
Directory of C:\Program Files\Autodesk\AutoCAD 2020\Express
01/08/2018 12:11 AM 35,070 acadinfo.lsp
01/08/2018 12:11 AM 42,975 acet-wmf.lsp
01/08/2018 12:11 AM 23,124 acetauto.lsp
01/08/2018 12:11 AM 12,901 acetess.lsp
01/08/2018 12:11 AM 31,729 acettxt.lsp
01/08/2018 12:10 AM 27,187 aceturl.lsp
01/08/2018 12:11 AM 4,242 aliasedit.lsp
01/08/2018 12:11 AM 10,116 aspace.lsp
01/08/2018 12:11 AM 17,389 attout.lsp
01/08/2018 12:10 AM 7,272 blockq.lsp
01/08/2018 12:11 AM 10,660 blocktoxref.lsp
01/08/2018 12:11 AM 17,677 blocktoxrefsup.lsp
01/08/2018 12:11 AM 23,244 breakl.lsp
01/08/2018 12:11 AM 17,154 bscale.lsp
01/08/2018 12:10 AM 11,318 burst.lsp
01/08/2018 12:11 AM 32,407 cdorder.lsp
01/08/2018 12:10 AM 30,080 clipit.lsp
01/08/2018 12:11 AM 16,289 copym.lsp
01/08/2018 12:10 AM 6,083 count.lsp
01/08/2018 12:10 AM 28,079 ddins2.lsp
01/08/2018 12:11 AM 5,290 dimassoc.lsp
01/08/2018 12:11 AM 4,802 dwglog.lsp
01/08/2018 12:11 AM 13,467 etbug.lsp
01/08/2018 12:11 AM 18,909 exoffset.lsp
01/08/2018 12:11 AM 7,545 explan.lsp
01/08/2018 12:10 AM 23,594 extrim.lsp
01/08/2018 12:11 AM 16,437 fastsel.lsp
01/08/2018 12:11 AM 4,588 flatten.lsp
05/12/2018 05:20 PM 87,787 flattensup.lsp
01/08/2018 12:10 AM 9,981 gatte.lsp
01/08/2018 12:10 AM 6,168 getsel.lsp
01/08/2018 12:11 AM 40,676 hatchutil.lsp
01/08/2018 12:11 AM 13,607 ix_edit.lsp
01/08/2018 12:10 AM 18,395 julian.lsp
01/08/2018 12:11 AM 23,517 layoutmerge.lsp
01/08/2018 12:10 AM 75,533 lman.lsp
01/08/2018 12:11 AM 75,022 lspdata.lsp
01/08/2018 12:11 AM 4,292 lspsurf.lsp
01/08/2018 12:10 AM 34,945 mkltype.lsp
01/08/2018 12:10 AM 51,135 mkshape.lsp
01/08/2018 12:11 AM 5,458 movebak.lsp
01/08/2018 12:10 AM 13,626 mpedit.lsp
01/08/2018 12:10 AM 19,430 mstretch.lsp
01/08/2018 12:11 AM 38,731 pljoinsup.lsp
01/08/2018 12:11 AM 10,367 plt2dwg.lsp
01/08/2018 12:11 AM 6,302 qquit.lsp
01/08/2018 12:10 AM 43,754 redir.lsp
01/08/2018 12:11 AM 6,059 revert.lsp
01/08/2018 12:10 AM 17,302 rtext.lsp
01/08/2018 12:11 AM 29,569 rtucs.lsp
01/08/2018 12:11 AM 5,466 saveall.lsp
01/08/2018 12:11 AM 17,534 shp2blk.lsp
01/08/2018 12:10 AM 74,945 sprhatch.lsp
01/08/2018 12:10 AM 11,302 ssx.lsp
01/08/2018 12:11 AM 35,627 tblname.lsp
01/08/2018 12:11 AM 12,172 tcase.lsp
01/08/2018 12:11 AM 10,580 tcaseSup.lsp
01/08/2018 12:10 AM 8,008 textfit.lsp
01/08/2018 12:10 AM 43,101 textmask.lsp
01/08/2018 12:11 AM 8,997 trex.lsp
01/08/2018 12:10 AM 23,943 trexblk.lsp
01/08/2018 12:11 AM 22,058 tscale.lsp
01/08/2018 12:10 AM 13,150 txtexp.lsp
01/08/2018 12:11 AM 7,494 vpscale.lsp
01/08/2018 12:11 AM 11,743 vpsync.lsp
01/08/2018 12:10 AM 19,950 xdata.lsp
01/08/2018 12:10 AM 11,375 xlist.lsp
01/08/2018 12:11 AM 5,595 yes_no.lsp
68 File(s) 1,474,324 bytes