Recently I have updated my MikTeX, and eversince I get strange warnings. Based on this nice example I tried to reduce my file to minimal, but I still get these warnings saying Patching '\begin'
or \end failed!'
\documentclass{article}
\usepackage{polyglossia}
\setmainfont{Times New Roman}
\setmainlanguage{english}
\setotherlanguage{hebrew}
\newfontfamily\hebrewfont{SBL Hebrew}[Script=Hebrew]
\begin{document}
Random text.
\begin{hebrew}
בְּרֵאשִׁ֖ית
\end{hebrew}
\end{document}
What's going on? MikTeX 2.9.7219 portable on Windows 7 64 bit, everything is updated as of yesterday.