>The menu pad is named _medit. The cut/copy/paste functionality works fine from this menu. They are enabled.
>
>Here is the code SYS(1500) commands I am using in the rightclick method. It is lifted from solution samples:
>
>laMenu[1,2]=[SYS(1500,"_med_copy","_medit")]
>laMenu[2,2]=[SYS(1500,"_med_cut","_medit")]
>laMenu[3,2]=[SYS(1500,"_med_paste","_edit")]
>
>I have tried _medit and _msm_edit in the sys(1500) command. Nothing seems to work.

Did you try _msm_edit in menu and sys(1500) command?