--- a/src/Doc/JEdit/JEdit.thy Sun Dec 18 20:01:24 2016 +0100
+++ b/src/Doc/JEdit/JEdit.thy Sun Dec 18 21:58:13 2016 +0100
@@ -233,6 +233,7 @@
Options are:
-D NAME=X set JVM system property
-J OPTION add JVM runtime option
+ -R open ROOT entry of logic session and use its parent
-b build only
-d DIR include session directory
-f fresh build
@@ -256,6 +257,11 @@
The \<^verbatim>\<open>-n\<close> option bypasses the implicit build process for the selected
session image.
+ Option \<^verbatim>\<open>-R\<close> modifies the meaning of option \<^verbatim>\<open>-l\<close> as follows: the \<^verbatim>\<open>ROOT\<close>
+ entry of the specified session is opened in the editor, while its parent
+ session is used for formal checking. This facilitates maintenance of a
+ broken session, by moving the Prover IDE quickly to relevant source files.
+
The \<^verbatim>\<open>-m\<close> option specifies additional print modes for the prover process.
Note that the system option @{system_option_ref jedit_print_mode} allows to
do the same persistently (e.g.\ via the \<^emph>\<open>Plugin Options\<close> dialog of