Expat is an XML parser library written in C. It is a stream-oriented parser in which an application registers handlers for things the parser might find in the XML document (like start tags). An introductory article on using Expat is available on xml.com.

This project aims to maintain Expat for both current and future users while improving the API to allow more reliable and robust access from "scripting" languages such as Python and Perl. We invite the community to participate on the mailing lists to help shape the future of Expat.

News

3 June 2002
Expat 1.95.3 released.
  • Changed the name of the Windows DLLs from expat.dll to libexpat.dll; this fixes SF bug #432456. This is a problem only known to affect the Perl XML::Parser::Expat extension, but is very important for that extension.
  • Added a project to the MSVC workspace to create a wchar_t version of the library; the DLLs are named libexpatw.dll. (Note the addition of the "w" character in the file name.)
  • Added the XML_ParserReset() API function. This allows a parser to be re-used, reducing the number of memory allocations needed to set up a parser. This can be a substantial benefit when parsing a large number of small documents.
  • Fixed XML_SetReturnNSTriplet() to work for element names. This is now a usable feature.
  • Made the XML_UNICODE builds usable (thanks, Karl!).
  • Allow xmlwf to read from standard input.
  • Install a man page for xmlwf on Unix systems.
  • Fixed many bugs; see SF bug reports 231864, 461380, 464837, 466885, 469226, 477667, 484419, 487840, 494749, 496505, 547350. Other bugs which we can't test as easily may also have been fixed, especially in the area of build support.

References

If you know of any additional articles or resources which should be linked to from this page, please send email to Fred Drake (fdrake@acm.org). We're especially interested in links to tutorial information and open source interfaces to Expat from languages other than C.
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