Meet the new xxd for w64devkit: rexxd

This blog post introduces rexxd, a rewritten and improved version of the traditional xxd hex dump utility used in Vim, highlighting its new features, performance enhancements, platform compatibility, and how it addresses existing bugs in xxd. It details the technical aspects of rexxd, including examples of usage, performance benchmarking against the original xxd, and insights about binary patching, Unicode support, and memory management. Overall, the author aims to keep rexxd simple yet powerful, making it suitable for the w64devkit environment.