actually negate "document" (cf. 7483aa690b4f);
--- a/src/Pure/System/build.ML Tue Jul 24 12:47:48 2012 +0200
+++ b/src/Pure/System/build.ML Tue Jul 24 12:54:34 2012 +0200
@@ -24,7 +24,7 @@
(Options.int options "parallel_proofs_threshold")
|> Unsynchronized.setmp Multithreading.trace (Options.int options "threads_trace")
|> Unsynchronized.setmp Multithreading.max_threads (Options.int options "threads")
- |> (case Options.string options "document" of "" => false | "false" => false | _ => true) ?
+ |> (case Options.string options "document" of "" => true | "false" => true | _ => false) ?
Present.no_document
|> Unsynchronized.setmp quick_and_dirty (Options.bool options "quick_and_dirty");