clarified description, to fit better to e.g. "isabelle build_doc -a -V system jedit";
--- a/src/Pure/Admin/build_doc.scala Sat Nov 05 14:41:51 2022 +0100
+++ b/src/Pure/Admin/build_doc.scala Sat Nov 05 14:53:29 2022 +0100
@@ -95,7 +95,7 @@
Usage: isabelle build_doc [OPTIONS] [DOCS ...]
Options are:
- -V view resulting documents
+ -V view explicitly given documents
-a select all documentation sessions
-j INT maximum number of parallel jobs (default 1)
-o OPTION override Isabelle system OPTION (via NAME=VAL or NAME)