Indeed, thank you all! It seems the lib is not very robust w.r.t. the very bad bibtex "standard". I think it should skip everything that does not begin with "@" outside entries, but instead wants only "@" and %-comments. Laurent <div class="gmail_quote">On Mon, May 21, 2012 at 5:42 PM, Danny Yoo <<a href="mailto:dyoo@hashcollision.org" target="_blank">dyoo@hashcollision.org</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I think there's a bug in the library. There appears to be a missing call to (slurp-whitespace ip) in the parsing library. I'll send a bug report and a patch to the Racket developers. A diff follows below for those who like looking at patch files. :) ################################################################ kui ~/local/racket/collects/scriblib $ git diff bibtex.rkt diff --git a/collects/scriblib/bibtex.rkt b/collects/scriblib/bibtex.rkt index 11d5636..c826187 100644 --- a/collects/scriblib/bibtex.rkt +++ b/collects/scriblib/bibtex.rkt @@ -81,6 +81,7 @@ [#\= (slurp-whitespace ip) (define aval (read-value ip)) + (slurp-whitespace ip) (match (read-char ip) [#\, (hash-set (loop) atag aval)] </blockquote></div>