SEMI NEWS --- history of major-changes.
Copyright (C) 1998 Free Software Foundation, Inc.
+
+* Changes in SEMI 1.5
+
+** text presentation
+
+ Change text presentation mechanism. In anything older than SEMI
+1.4, text presentation mechanism is based on filter model. However it
+has design problem about conversion between byte representation and
+text presentation. So SEMI was changed to use
+body-presentation-method to display text entity. In this purpose, old
+text decoding features were abolished and introduces news features
+(cf. next section).
+
+** mime-raw-representation-type and mime-raw-representation-type-alist
+
+ Abolish `mime-text-decoder' and `mime-text-decoder-alist' because of
+text presentation mechanism change (cf. previous section). Instead of
+it, SEMI introduces variable about representation-type of
+mime-raw-buffer. If it is `binary', mime-raw-buffer is as same as
+network representation. If it is `cooked', mime-raw-buffer is
+code-converted.
+
+ `mime-raw-representation-type-alist' is an alist of major-mode
+vs. representation-type. Each element looks like
+
+ (SYMBOL . REPRESENTATION-TYPE).
+
+SYMBOL is major-mode or t. t means default.
+
+ `mime-raw-representation-type' is a buffer local variable of
+mime-raw-buffer. If it is non-nil, it overrides
+`mime-raw-representation-type-alist'.
+
+ In addition, `mime-raw-buffer-coding-system-alist' was abolished.
+Because representation-type has enough information.
+
+\f
+* Changes in SEMI 1.4
+
+** mailcap
+
+ mailcap was supported to set up 'mime-acting-condition.
+
+ tm-external-method scripts written by born shell were abolished.
+
+
+** mime-add-condition
+
+ New function to set up 'mime-preview-condition and/or
+'mime-acting-condition.
+
+
+** signature setting in semi-setup.el
+
+ Abolish MUA depended signature setting.
+
+ Setting for mail-mode were moved to mail-mime-setup.el.
+
+\f
+* Changes in SEMI 1.3
+
+** mime-acting-condition
+
+ Format of variable 'mime-acting-condition was changed from `atype'
+to `condition tree'. Its format is as same as
+'mime-preview-condition.
+
+ If there are two or more conditions are found when matching, menu
+pops up to select method to run. Selected situation will be added to
+example database. (cf. mime-acting-situation-examples-file)
+
+** New variables
+
+*** mime-view-find-every-acting-situation
+
+ Find every available acting-situation if non-nil.
+
+*** mime-acting-situation-examples-file
+
+ File name of example about acting-situation demonstrated by
+ user.
+
\f
* Changes in SEMI 1.2
'mime-view-plain-text-preview-hook was renamed to
'mime-preview-text/plain-hook.
+*** Variable
+
+ Variable 'mime-view-childrens-header-showing-Content-Type-list was
+abolished. Please use 'mime-preview-condition instead.
+
+*** API about visible-predicates were abolished
+
+ Following functions were abolished:
+
+ mime-view-header-visible-p (entity message-info)
+
+ mime-view-body-visible-p (entity message-info)
+
+ mime-view-entity-separator-visible-p (entity message-info)
+
+Please use 'mime-preview-condition instead.
+
+ Function 'mime-view-entity-button-visible-p is not abolished, but it
+is obsoleted.
+
+*** mime-preview-condition
+
+ Following are added as pre-defined keys:
+
+ 'childrens-situation default preview-situation for children
+ 'message-button to specify to display message-button
+ nil: default (invisible)
+ 'visible: visible
+ 'invisible: invisible
+ 'entity-button to specify to display entity-button
+ nil: default (visible)
+ 'visible: visible
+ 'invisible: invisible
+ 'header to specify to display header
+ nil: default (invisible)
+ 'visible: visible
+ 'invisible: invisible
** API
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