Suggestions for yax

The following packages have something in common with the package yax. The packages are ordered in decreasing similarity.

• scrbase: Provide basic features for KOMA-Script
• simplekv: A simple key/value system for TeX and LaTeX
• texdimens: Conversion of TeX dimensions to decimals
• expkv-opt: Parse class and package options with expkv
• expkv-def: A key-defining frontend for expkv
• expkv: An expandable key=val implementation
• texapi: Macros to write format-independent packages
• etoolbox-generic: A loader for etoolbox.sty in non-LaTeX formats
• luakeys: A Lua module for parsing key-value options
• polexpr: A parser for polynomial expressions
• expkv-bundle: An expandable key=val implementation and friends
• expkv-cs: Define expandable key=val macros using expkv
• chemfig: Draw molecules with easy syntax
• lparse: A Lua module for parsing key-value options
• options: Provides convenient key-value options for LaTeX package writers
• keycommand: Simple creation of commands with key-value arguments
• keyreader: A robust interface to xkeyval
• keyval2e: A lightweight and robust key-value parser
• ltxkeys: A robust key parser for LaTeX
• pgfkeyx: Extended and more robust version of pgfkeys
• skeyval: Key-value parsing combining features of xkeyval and pgfkeys
• pst-xkey: Key-value syntax for PSTricks packages
• keyval: Process 'key=value' schemes
• kvoptions: Key value format for package options
• xkeyval: Extension of the keyval package
• kvsetkeys: Key value parser with default handler support
• clefval: Key/value support with a hash
• kvdefinekeys: Define keys for use in the kvsetkeys package
• etex-pkg: E-TeX support package
• bxcalc: Extend the functionality of the calc package
• csquotes: Context sensitive quotation facilities