rem: if(btn && btn->xindex==aicon->xindex && btn->yindex==aicon->yindex) { ocupied = True; break; }
add: if(btn && btn->xindex==aicon->xindex && btn->yindex==aicon->yindex) return False;
context: iconCanBeOmnipresent(WAppIcon *aicon){    WScreen *scr = aicon->icon->core->screen_ptr;    WDock *clip;    WAppIcon *btn;    int i, j;    Bool ocupied = False;    for (i=0; i<scr->workspace_count; i++) {        clip = scr->workspaces[i]->clip;        if (clip == aicon->dock)            continue;        for (j=0; j<clip->max_icons; j++) {            btn = clip->icon_array[j];            if(btn && btn->xindex==aicon->xindex && btn->yindex==aicon->yindex) {                ocupied = True;                break;            }        }    }    return !ocupied;}