v1.28.0

NOTE: The original binaries were for the v1.28.0 tag, but had the old v1.27.0 version number in the file names (and in the goawk -version output). I've uploaded corrected v1.28.0 binaries here, but there's also a new v1.28.1 patch release with this fixed.

What's Changed

• Fix evaluation of empty {} and END{} by @benhoyt in #230
• fix: close file in Cover.WriteProfile by @testwill in #232
• Fix number formatting on non-64bit architectures by @guilherme-puida in #235
• Make printf %c work on Unicode codepoints by @oliverkwebb in #236
• Improve error message when missing -H or in BEGIN by @benhoyt in #239
• Add printf %i, %a, %A; Fix %o, %x, %X (they should be unsigned) by @benhoyt in #240
• Make srand() use unix time in seconds, and set seed for next srand() by @benhoyt in #241
• Bump up minimum supported Go version to 1.18, and test on 1.23 by @benhoyt in 7f49055

New Contributors

• @testwill made their first contribution in #232
• @oliverkwebb made their first contribution in #236

Full Changelog: v1.27.0...v1.28.0