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1 .PS
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2
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3
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4 boxwid = 2
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5 boxht = 1
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6 colheaderh = 0.4
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7 rowheaderw = 1.3
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8
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9
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10 copy "marker.pic.inc"
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11
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12 define row {
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13 [
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14 right
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15 B1: box $1
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16 B2: box $2
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17 ]
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18 }
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19
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20
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21 down
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22 row("email" "SMS", "voice mail" "video messages")
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23 row("instant messaging" "chat", "VoIP" "video conferencing")
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24
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25 marker_top(1st [].B1, "written")
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26 marker_top(1st [].B2, "recorded")
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27
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28 marker_left(1st [], "asyncronous" rjust "(messages)" rjust)
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29 marker_left(2nd [], "syncronous" rjust "(dialog)" rjust)
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30
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31
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32 .PE
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