This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009/Debian) (format=latex 2011.12.1) 18 APR 2018 10:49 entering extended mode %&-line parsing enabled. **classes (/usr/share/texmf-texlive/tex/plain/treetex/classes.tex LaTeX2e <2009/09/24> Babel and hyphenation patterns for english, usenglishmax, dumylang, noh yphenation, farsi, arabic, croatian, bulgarian, ukrainian, russian, czech, slov ak, danish, dutch, finnish, french, basque, ngerman, german, german-x-2009-06-1 9, ngerman-x-2009-06-19, ibycus, monogreek, greek, ancientgreek, hungarian, san skrit, italian, latin, latvian, lithuanian, mongolian2a, mongolian, bokmal, nyn orsk, romanian, irish, coptic, serbian, turkish, welsh, esperanto, uppersorbian , estonian, indonesian, interlingua, icelandic, kurmanji, slovenian, polish, po rtuguese, spanish, galician, catalan, swedish, ukenglish, pinyin, loaded. \b=\count79 ! LaTeX Error: Missing \begin{document}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.10 \newcount\b@ nno % number of nodes ? r OK, entering \nonstopmode... Missing character: There is no @ in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no o in font nullfont! \b=\count80 Missing character: There is no @ in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no v in font nullfont! \b=\count81 Missing character: There is no @ in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no l in font nullfont! Overfull \hbox (20.0pt too wide) in paragraph at lines 10--13 [] [] \no=\count82 ! LaTeX Error: Missing \begin{document}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.61 \newcount\no@ You're in trouble here. Try typing to proceed. If that doesn't work, type X to quit. Missing character: There is no @ in font nullfont! Overfull \hbox (20.0pt too wide) in paragraph at lines 61--63 [] [] \f=\count83 ! LaTeX Error: Missing \begin{document}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.76 \newcount\f@ bht You're in trouble here. Try typing to proceed. If that doesn't work, type X to quit. Missing character: There is no @ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no t in font nullfont! Overfull \hbox (20.0pt too wide) in paragraph at lines 76--77 [] [] ! LaTeX Error: Missing \begin{document}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.93 \newif\ifunn@ des You're in trouble here. Try typing to proceed. If that doesn't work, type X to quit. Missing character: There is no @ in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no s in font nullfont! Overfull \hbox (20.0pt too wide) in paragraph at lines 93--94 [] [] ! LaTeX Error: Missing \begin{document}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.95 \let\unarynodes\unn@ destrue You're in trouble here. Try typing to proceed. If that doesn't work, type X to quit. Missing character: There is no @ in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no u in font nullfont! Missing character: There is no e in font nullfont! Overfull \hbox (20.0pt too wide) in paragraph at lines 95--97 [] [] ) ! Emergency stop. <*> classes *** (job aborted, no legal \end found) Here is how much of TeX's memory you used: 24 strings out of 493849 370 string characters out of 1152846 47808 words of memory out of 3000000 3399 multiletter control sequences out of 15000+50000 3640 words of font info for 14 fonts, out of 3000000 for 9000 714 hyphenation exceptions out of 8191 5i,0n,8p,90b,14s stack positions out of 5000i,500n,10000p,200000b,50000s No pages of output.