% cat C:/cygwin/tmp/tmpypQ_JT.ltx \nonstopmode\input{C:/cygwin/tmp/tmp7dbFOB.ltx}
% latex C:/cygwin/tmp/tmpypQ_JT.ltx This is pdfeTeXk, Version 3.141592-1.21a-2.2 (Web2C 7.5.4) file:line:error style messages enabled. %&-line parsing enabled. entering extended mode ! I can't find file `C:/cygwin/tmp/tmpypQ_JT.ltx'. <*> C:/cygwin/tmp/tmpypQ_JT.ltx Please type another input file name: So, \nonstopmode should not be used after all. Enrico, can you confirm this? Can you apply our trick for CheckTeXAllowSpaces to this case? Bo