emacs + emaxima hangs



After upgrading the cvs-tree tonigth the following lines hangs
my emacs-21.2 after C-c C-u c

\beginmaxima
texput(KDELTA,"\delta");
texput(CURVATURE,"\cal{R}");
texput(CHR2,"\Gamma");
texput(CHR1,"\Gamma");
\endmaxima

rgds,
Valerij