Trying to compile a text with large sections taken from the html version of a paper, I got compilation errors. I then compiled paragraph by paragraph, until the first error occured. When I couldn't spot the problem, I added word after word, and then character after character. It worked (example) until: ... and, like Mottern, she was not deterred by the existe After adding the next character ("n", by hand), compilation failed with: structure : subject @ level 3 : 0.0.0 -> Science by committee [3.3][4.4] ! This can't happen (linebreak_tail). l.59 I'm broken. Please show this to someone who can fix can fix ! ==> Fatal error occurred, no output PDF file produced! log attached The font is junicode, I'm using my own typescript and haven't seen this before. Mkiv, context version 2009.10.21 10:28 Thanks, Jörg (gary.tex ConTeXt ver: 2009.10.21 10:28 MKIV fmt: 2009.11.2 int: english/english system : cont-new loaded (/Applications/context/tex/texmf-context/tex/context/base/cont-new.tex systems : beware: some patches loaded from cont-new.tex (/Applications/context/tex/texmf-context/tex/context/base/cont-new.mkiv)) system : cont-fil loaded (/Applications/context/tex/texmf-context/tex/context/base/cont-fil.tex loading : ConTeXt File Synonyms ) system : cont-sys.rme loaded (/Applications/context/tex/texmf-context/tex/context/user/cont-sys.rme (/Applications/context/tex/texmf-context/tex/context/base/type-tmf.tex (/Applications/context/tex/texmf-context/tex/context/base/type-tmf.mkiv)) (/Applications/context/tex/texmf-context/tex/context/base/type-siz.tex (/Applications/context/tex/texmf-context/tex/context/base/type-siz.mkiv)) (/Applications/context/tex/texmf-context/tex/context/base/type-otf.tex (/Applications/context/tex/texmf-context/tex/context/base/type-otf.mkiv))) system : gary.top loaded % % begin of optionfile % % % runtime options files (command line driven) % \unprotect % % special commands, mostly for the ctx development team % % feedback and basic job control % % handy for special styles % \startluacode % document = document or { } % document.arguments={ % } % document.files={ % "gary.tex", % } % \stopluacode % % process info % \setupsystem[\c!n=1,\c!m=1] % \setupsystem[\c!type=unix] % % modes % % options (not that important) % \startsetups *runtime:options % \setupoutput[pdftex] % \stopsetups % % styles and modules % \startsetups *runtime:modules % \stopsetups % % done % \protect \endinput % % end of optionfile % (gary.top) fonts : preloading latin modern fonts bodyfont : 12pt rm is loaded language : language en is active (/Applications/context/tex/texmf-local/tex/context/myscripts/junicode-en.tex (/Applications/context/tex/texmf-local/tex/context/myscripts/type-jhjunicode.tex)) system : module ancientgreek loaded (/Applications/context/tex/texmf-local/tex/context/third/greek/t-ancientgreek.tex (/Applications/context/tex/texmf-local/tex/context/third/greek/t-ancientgreek.mkiv loading : module ancientgreek (/Applications/context/tex/texmf-local/tex/context/third/greek/type-agr.tex (/Applications/context/tex/texmf-local/tex/context/third/greek/type-agr.mkiv fonts : installing font features was experimental fonts : installing font features was experimental fonts : installing font features was experimental fonts : installing font features was experimental fonts : installing font features was experimental fonts : installing font features was experimental fonts : installing font features was experimental )))) systems : begin file gary at line 3 structure : title @ level 2 : 0.0 -> The Soft Science of Dietary Fat otf process | missing cache for lookup kp_l_5_s of type gpos_contextchain in font 67 (Junicode-Regular) otf process | missing cache for lookup kp_l_5_s of type gpos_contextchain in font 68 (Junicode-Regular) otf process | missing cache for lookup kp_l_5_s of type gpos_contextchain in font 41 (Junicode-Regular) fonts : resetting map file list {/Applications/context/tex/texmf-context/fonts/map/pdftex/context/original-empty.map} fonts : using map file: original-base {/Applications/context/tex/texmf-context/fonts/map/pdftex/context/original-base.map} fonts : using map file: original-ams-base {/Applications/context/tex/texmf-context/fonts/map/pdftex/context/original-ams-base.map} fonts : using map file: original-ams-euler {/Applications/context/tex/texmf-context/fonts/map/pdftex/context/original-ams-euler.map} fonts : using map file: original-public-lm {/Applications/context/tex/texmf-context/fonts/map/pdftex/context/original-public-lm.map} fonts : using map file: lm-math {/Applications/context/tex/texmf/fonts/map/dvips/lm/lm-math.map} fonts : using map file: lm-rm {/Applications/context/tex/texmf/fonts/map/dvips/lm/lm-rm.map}[1.1] structure : subject @ level 3 : 0.0.0 -> Fear of fat [2.2] structure : subject @ level 3 : 0.0.0 -> Science by committee [3.3][4.4] ! This can't happen (linebreak_tail). l.59 I'm broken. Please show this to someone who can fix can fix ! ==> Fatal error occurred, no output PDF file produced!