Hi, Trying to follow instructions to build PDF... pdflatex -interaction=batchmode gimp_tmp.tex This is pdfTeX, Version 3.14159-1.10a (Web2C 7.4.4) libpng warning: Ignoring attempt to set cHRM RGB triangle with zero area libpng warning: Ignoring attempt to set cHRM RGB triangle with zero area libpng warning: Ignoring attempt to set cHRM RGB triangle with zero area pdflatex failed gimp_tmp.tex:3780: Undefined control sequence \endgroup. gimp_tmp.tex:3780: leading text: \cite{WKPD-B^^c3^^89ZIER} Error: pdflatex compilation failed What am I missing and what further info do you need to figure this out? :) Alexandre _______________________________________________ Gimp-docs mailing list Gimp-docs@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-docs