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Changes for distribution 1.05
-----------------------------
-----------------------------
the RTF reader:
unsigned chars are no longer used in the reader since the RTF specification
implies a 7-bit character set. I was not sure about that before so used
unsigned characters to be safe. The "get character" function still checks
input characters, and panics if an 8-bit character is seen.
Fixed bug in _RTFToken() where, if a control word was delimited by a space,
the space was left at the end of rtfTextBuf.
Color values in color table entries are -1 if the values were not specified
for the entry. That means the default color should be used. In earlier
versions, color 0 was assumed to be the default, but since any entry can
be left unspecified, including the entry for color 0, the default color
is left to the writer to decide.
Instead of ignoring \r and \<10>, and treating \n like \par, \r and \n
are ignored, and \<10> and \<13> are treated like \par.
The font table destination reader now recognizes old style font tables,
where entries in the table are not surrounded by braces.
Fixed the stylesheet reader to recognize \sbasedon and \snext explicitly
and use them to set the corresponding fields of RTFStyle structs accordingly,
which it didn't do previously. Worse, none of the elements of the style were
attached except the last. This means that style expansion was completely
broken in 1.04. (Real brain-o-matic programming. Duh. Blush.)
It also turns out that automatic style expansion (i.e., with no writer
intervention required) is the wrong thing to do (due to the circumstances
under which tabstops are overridden), so it's now up to the writer to
call RTFExpandStyle() explicitly. There is little loss in this since
style expansion was broken anyway.
RTFGetFont(), RTFGetColor() and RTFGetStyle() didn't work unless you
passed an argument of -1 or 0. Fixed.
RTFInit() can be called multiple times for translators that wish to
translate multiple files. Formerly the internal state that was built
up would not have been disposed of.
The reader now recognizes roughly 300 control symbols, or about twice as
many as before. Some of the #define'd constant names have changed:
rtfBrace -> rtfGroup
rtfLBrace -> rtfBeginGroup
rtfRBrace -> rtfEndGroup
[rtfDestination, rtfRtf] -> [rtfVersion, -1]
Version number is parameter
[rtfMacintosh, -1] -> [rtfCharSet, rtfMacChar]
rtfFontStyle -> rtfFontFamily
Minor number symbols have different names, also.
rtfFType field of RTFColor structure changed correspondingly.
rtfColorNum -> rtfForeColor
rtfCurFNotePage ->rtfCurFNote
rtfEndNotes -> rtfFNoteEndSect
rtfLineRestart1 -> rtfLineRestart
This was a typo
rtfAutoPageX -> rtfPageNumLeft
rtfAutoPageY -> rtfPageNumTop
rtfColumnWid -> rtfColumnSpace
rtfComment -> rtfIComment
rtfNewline was deleted
rtfPageContinuous was deleted (use rtfPageCont)
rtfCurPict (for \chpict) may be bogus. I'm not sure if \chpict is
a legitimate control symbol or not.
The functional interface also has many name changes and additions.
RTFReadHook() -> RTFSetReadHook()
Added RTFGetReadHook().
RTFClassCallback() -> RTFSetClassCallback()
Added RTFGetClassCallback().
RTFDestinationCallback() -> RTFSetDestinationCallback()
Added RTFGetDestinationCallback().
Added RTFSkipGroup().
Added RTFExpandStyle().
Added RTFCheckCM(), RTFCheckCMM(), RTFCheckMM().
Added RTFFree().
Deleted RTFStyleExpansion().
-----------------------------
rtf2null:
rtf2null echoes unknown symbols so that it can be used as a quick way of
finding symbols that the reader doesn't recognize.
-----------------------------
rtf2text:
More characters in >= 128 range handled. Can switch between character
sets, although only Macintosh character set is handled.
-----------------------------
rtf2troff:
Some fprintf's in FlushParState() had no stream argument, causing core dumps.
Fixed.
Underlining works better now (doesn't destroy multiple-character characters
like \(de, writes smaller output).
Stikeout works.
A bit of top/bottom margin support and header/footer support added.
More characters in >= 128 range handled. Can switch between character
sets, although only Macintosh character set is handled.
However, the whole thing is more complicated and probably has many new
bugs.
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