[Bug 5503] Opening help in Office97 triggers unhandled page fault

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=5503





--- Comment #38 from Kirill K. Smirnov <lich at math.spbu.ru>  2007-12-10 09:37:00 ---
Yes, this is a really problem.

Currently there are five main issues with winhelp:

1) Very slow processing. Now winhelp reads entire file into memory and
decompresses
all topics in the file. It takes a lot of time with large files, e.g. win32.hlp
by Borland - I could not wait until it finishes on 
Intel(R) Pentium(R) D CPU 3.00GHz 1Gb RAM.

2) Lack of index and contents. These most important features are missing.

3) Now winhelp uses its own renderer instead of richedit. Since help files are
compiled from rtf, it is naturally to use riched20 library to display help.
Unfortunately, riched20 is not complete.
(Also usage of riched20 allows to select and copy text).

4) Lots of undocumented features to support. The most complete documentation of
this format i use (by Manfred Winterhoff at
http://www.geocities.com/mwinterhoff) is still incomplete and misleading in
some places (e.g. TOPICPOS).

5) winhelp is very obsolete help format to support. Even Vista itself does not
support .hlp files. IMO very few people really need this (i may be wrong).


I'm going to fix some of these bugs (maybe index/contents) in the near future.


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