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This early beta version of Wex saves only files referenced by HTTP URLs pointing to the site where specified WEB tree starts, thus omitting URLs referencing locations external to the original site. Wex also skips URLs that reference documents located "higher" then root of the specified WEB tree. Wex can also be used in "trace" mode to show WEB subtree in its text window without saving files to local disk.
To work more productively Wex runs additional thread for each location it saves, while parsing HTML in a separate thread. By default number of additional threads is set to 7 and can be changed from Wex command line.
To parse HTML, Wex uses HTML parser library prototype, developed for testing the beta release of HotJava by Arthur van Hoff and modified by me to work with JDK 1.0 release of Java.