isar specific commands for bold/sup/sub;

1 files changed, 19 insertions, 1 deletions

diff --git a/doc/ProofGeneral.texi b/doc/ProofGeneral.texi
index 0b5277ac..3575f480 100644
--- a/doc/ProofGeneral.texi
+++ b/doc/ProofGeneral.texi
@@ -2827,7 +2827,7 @@ next start Proof General.
 * The default value for XEmacs built for solaris is nil, because
 of unreliabilities with enablers there.
 
-The default value is @code{t}.
+The default value is @code{nil}.
 @end defopt
 
 @c This one removed: proof-auto-retract
@@ -3710,6 +3710,24 @@ Shows all available commands of Isabelle/Isar's outer syntax.
 Shows theorems stored in the current theory node.
 @end table
 
+@kindex C-c C-a b
+@kindex C-c C-a u
+@kindex C-c C-a l
+
+The following shortcuts insert control sequences into the text,
+modifying the appearance of individual symbols (single letters,
+mathematical entities etc.); the X-Symbol package will provide immediate
+visual feedback.
+
+@table @kbd
+@item C-c C-a b
+Inserts "\<^bold>"
+@item C-c C-a u
+Inserts "\<^sup>"
+@item C-c C-a l
+Inserts "\<^sub>"
+@end table
+
 Command termination via `@code{;}' is an optional feature of Isar
 syntax.  Neither Isabelle/Isar nor Proof General require semicolons to
 do their job.  The following command allows to get rid of command