FYI; Not sure if this is a bug in tex4ht or something else. In case someone here might be interested in taking a look.
I posted this on http://tex.stackexchange.com/questions/168809/error-compiling-empheq-with-texlive-2013-tex4ht-missing-inserted ----------------- \documentclass{article} \usepackage{empheq} \begin{document} \begin{empheq}[box=\fbox]{align*} \lambda_{dutch} & =-0.40293\pm1.9803i\\ \lambda_{spiral} & =-0.069088\\ \lambda_{rolling} & =-56.511 \end{empheq} \end{document} --------------------- htlatex foo.tex -------------------- (/usr/local/texlive/2013/texmf-dist/tex/latex/latexconfig/graphics.cfg) (/usr/local/texlive/2013/texmf-dist/tex/latex/graphics/dvips.def))) Overfull \hbox (8063.39311pt too wide) detected at line 8 [][][][][][][][][][] ! Missing } inserted. <inserted text> } l.8 \end{empheq} ? ------------------- Using tex4ht.c (2012-07-25-19:36 kpathsea)
pdflatex --version
pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013) kpathsea version 6.1.1 --Nasser
