From 2bc88b5be43e2e2f869875ec2d21e3c67c69b7f9 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Sat, 24 Sep 2011 08:58:14 +0000
Subject: [PATCH]
---
doc/texinfo/gmsh.texi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/doc/texinfo/gmsh.texi b/doc/texinfo/gmsh.texi
index 9da45e666d..eeec7d9b5a 100644
--- a/doc/texinfo/gmsh.texi
+++ b/doc/texinfo/gmsh.texi
@@ -1862,6 +1862,9 @@ or to a real option.
Appends @var{expression-list} to an existing expression list or creates
a new expression list with @var{expression-list}).
+@item @var{string} [ ] -= @{ @var{expression-list} @};
+Removes the items in @var{expression-list} from the existing expression.
+
@item @var{string} [ @{ @var{expression-list} @} ] += @{ @var{expression-list} @};
Adds and affects, item per item, the right hand side @var{expression-list}
to an existing expression list identifier.
--
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