Added support for NASM preprocessor directives, SSE/AVX instructions, and SIMD/mask/tile registers. Improved instruction and register matching to be case-insensitive and expanded recognized register names. Bumped extension version to 1.2.6.
Added support for local labels and single-quoted strings in the x86 assembly TextMate grammar. Updated label patterns for more accurate highlighting and enhanced string pattern handling to include both double and single quotes.
Introduces new settings for customizing line and block comment characters via VS Code configuration. Updates the extension to dynamically apply these settings and documents the feature in the README. Also bumps the minimum VS Code engine version and extension version.