The URL of the online specification was changed several times on the PKWARE website.
A summary of key advances in various versions of the PKWARE specification: for ZIP files that use compression methods newer than DEFLATE; specifically, methods BZip, LZMA, PPMd, Jpeg and Wavpack.
This format was originally created in 1989 and released to the public domain on Feb 14, 1989 by Phil Katz and Gary Conway, and was first implemented in PKWARE, Inc.'s PKZIP utility, and Gary Conways NARC as a replacement for the previous ARC compression format by Thom Henderson.
The ZIP file format permits a number of compression algorithms, though DEFLATE is the most common.
They created the format after PKWARE had a lawsuit filed against them by Systems Enhancement Associates (SEA) claiming that his archiving products were derivatives of SEA's ARC archiving system.
SEA also threatened to sue Gary Conway and IDC for the same reasons, but then they found that SEA's work was actually a derivative of IDC's work and several others and opted not to proceed with the lawsuit.
The party gained a majority in eight out of 10 municipal corporations.
The overall seat tally for municipal corporations across the state is as follows: A cursory glance at the table will show you that all Opposition parties — including the Shiv Sena — have far smaller numbers than the BJP.