anterior lines

def embed_in_anterior_comments(lst):
    #find last anterior comment
    #Note: ExtLinA is broken in IDA 6.95 (no attribute doExtra in ida_bytes) so we just manually do what it did...
    #      https://github.com/idapython/src/search?utf8=%E2%9C%93&q=doExtra&type=
    
    base = SegStart(MinEA());
    for i in range(0,500):
        x = LineA(base, i)
        if x is None: 
            break
        
        #print x    
        
    for n,msg in enumerate(lst):
        try:
            ExtLinA(base,i+n, msg)    #ida 6.7 does not have ida_lines...yay
        except:
            try:
                import ida_lines
                import ida_bytes                
                ida_lines.update_extra_cmt(base, ida_lines.E_PREV + i+n, msg)
                ida_bytes.setFlags(base, ida_bytes.get_flags_novalue(base) | ida_bytes._ida_bytes.FF_LINE)
            except:
                print "Could not embed in anterior lines"