Meta: requested TeX packages

• LaTeX macros for MathML constructs (e.g., mtable)
  • options for TeX packages to benefit from things that are easier in MathML, e.g, equalcolumns/rows
• braket
• siunitx [#447]
• Cyrillic macros [cf #1369 (closed)]
• stmaryrd macros [#1143 (closed)]
• bordermatrix (needs colspan/rowspan?; requested on various SE sites)
• algorithmcx, listings
  • google's prettify can guess programming languages. https://github.com/google/code-prettify
• babel macros (e.g., Russian (see 6.4) via twitter)
• fontpackages (stmaryd, wasysym etc) (via \unicode?)
• Q-circuit (via xyjax?) see this discussion
• mathapedia (pstricks)
• SageTeX + SageCell
• chemfig
• Feynman diagrams (cf. http://photino.github.io/jquery-feyn/index.html)
• improve handling of unicode characters (e.g., U+03B1 being treated as \alpha, and so on)
• something like \turn[deg]{math}, cf. http://ctan.org/pkg/rotating
• stix package (#1371 (closed))