Editing LZX (section)

===Microsoft Cabinet files===
In 1996, Forbes went to work for [[Microsoft]],<ref>{{cite web| url = http://www.linkedin.com/pub/jonathan-forbes/3/70a/a4b |url-status=dead |archive-url=https://web.archive.org/web/20100323133517/http://www.linkedin.com/pub/jonathan-forbes/3/70a/a4b |archive-date=2010-03-23 |title=Jonathan Forbes - LinkedIn}}</ref> and Microsoft's [[Cabinet (file format)|cabinet]] archiver was enhanced to include the LZX compression method. Improvements included a variable search window size; Amiga LZX was fixed to 64&nbsp;KB, and Microsoft LZX could range on powers of two between 32 and 2048 [[kilobyte]]s (32,768 to 2,097,152 bytes). A special [[preprocessor]] was added to detect Intel [[80x86]] "CALL" instructions, converting their [[operand]]s from relative addressing to absolute addressing, thus calls to the same location resulted in repeated strings that the compressor could match, improving compression of 80x86 binary code. (This technique is later generalized as Branch-Call-Jump [BCJ] filtering.)