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1 @c $Id: tm-view-cb=en.texi,v 1.1.1.1 1996/12/18 22:43:52 steve Exp $
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2
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3 @node content-body, content-separator, content-header, MIME display
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4 @comment node-name, next, previous, up
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5 @subsubsection content-body
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6 @cindex content-body
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7
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8 Content-body represents content of the message. tm-view does not
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9 display raw content body. For example, if a content has binary, it is
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10 hidden. If a content has richtext, it is formated. Namely content body
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11 is hidden or formated.
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12
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13 Function @code{mime-viewer/body-visible-p} is a judge function whether
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14 content-body of a content is displayed. If it returns @code{nil},
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15 content-body is hidden. In default, it returns non-@code{nil} when
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16 content-type of a content is a member of variable
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17 @code{mime-viewer/default-showing-Content-Type-list}.
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18
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19 When content-body of a content is displayed, content-body is formated
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20 by content-filter. Content-filter is searched from variable
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21 @code{mime-viewer/content-filter-alist}. At this time, major-mode of
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22 the article buffer is used as the key.
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23
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24 If it is not found, function @code{mime-viewer/default-content-filter}
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25 is called.
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26
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27
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28 @defvar mime-viewer/default-showing-Content-Type-list
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29
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30 List of content-type. If content-type of a content is a member of this
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31 variable, its body is displayed.
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32 @end defvar
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33
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34
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35 @deffn{Function} mime-viewer/body-visible-p rcnum cinfo &optional ctype
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36
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37 Return non-@code{nil}, if content-type of a content is displayed.
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38 @var{rcnum} is reversed-content-number of a content. @var{cinfo} is
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39 content-info of the message. If you know content-type of a content,
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40 you can specify it as argument @var{ctype}.
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41 @end deffn
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42
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43
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44 @defvar mime-viewer/content-filter-alist
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45
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46 Association-list whose key is major-mode of a article buffer, value is
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47 content-filter.
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48 @end defvar
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49
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50
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51 @deffn{Function} mime-viewer/default-content-filter rcnum cinfo ctype params subj
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52
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53 It is called when content-body of a content should be displayed and
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54 content-filter is not found in @code{mime-viewer/content-filter-alist}.
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55
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56 In default, it does nothing.
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57 @end deffn
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