tacme: fix acme Edit abort - plan9port - [fork] Plan 9 from user space
 (HTM) git clone git://src.adamsgaard.dk/plan9port
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       ---
 (DIR) commit 5e22f11b97dc97ca6dd449d4efec1838c996cb0c
 (DIR) parent 7ed58eab75180ba04d5582d6000f4a05da421ead
 (HTM) Author: Rob Pike <devnull@localhost>
       Date:   Fri,  7 Mar 2008 07:16:37 -0500
       
       acme: fix acme Edit abort
       
       Diffstat:
         M src/cmd/acme/ecmd.c                 |       4 +++-
       
       1 file changed, 3 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/src/cmd/acme/ecmd.c b/src/cmd/acme/ecmd.c
       t@@ -416,8 +416,10 @@ move(File *f, Address addr2)
                }else if(addr.r.q0 >= addr2.r.q1){
                        copy(f, addr2);
                        elogdelete(f, addr.r.q0, addr.r.q1);
       +        }else if(addr.r.q0==addr2.r.q0 && addr.r.q1==addr2.r.q1){
       +                ; /* move to self; no-op */
                }else
       -                error("move overlaps itself");
       +                editerror("move overlaps itself");
        }
        
        int