From 68c67e656e58548f7a3703d43a63469339ea660b Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Thu, 13 May 2004 06:19:48 +0000
Subject: [PATCH] doc update for extract plugin

---
 doc/texinfo/opt_plugin.texi | 15 +++++++++++----
 doc/texinfo/opt_view.texi   |  2 +-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/doc/texinfo/opt_plugin.texi b/doc/texinfo/opt_plugin.texi
index 7bf94f1961..12d0545606 100644
--- a/doc/texinfo/opt_plugin.texi
+++ b/doc/texinfo/opt_plugin.texi
@@ -173,18 +173,25 @@ Default value: @code{-1}
 @end table
 
 @item Plugin(Extract)
-Plugin(Extract) extracts the `iComponent'-th
-component of the view `iView'. If `iView' < 0, the
+Plugin(Extract) extracts a combination of
+components from the view `iView', as specified
+by `Expression'. In addition to the usual
+mathematical functions, `Expression' can contain
+the symbols v0, v1, v2, ..., vn, which represent
+the n components of the field. If `iView' < 0, the
 plugin is run on the current view.
 
 Plugin(Extract) creates one new view.
 
+String options:
+@table @code
+@item Expression
+Default value: @code{"v0"}
+@end table
 Numeric options:
 @table @code
 @item iView
 Default value: @code{-1}
-@item iComponent
-Default value: @code{0}
 @end table
 
 @item Plugin(Skin)
diff --git a/doc/texinfo/opt_view.texi b/doc/texinfo/opt_view.texi
index 3bc5a4df58..799aaca05d 100644
--- a/doc/texinfo/opt_view.texi
+++ b/doc/texinfo/opt_view.texi
@@ -307,7 +307,7 @@ Saved in: @code{General.OptionsFileName}
 @item View.Type
 Type of graph (1=3D, 2=2D-space, 3=2D-time)@*
 Default value: @code{1}@*
-Saved in: @code{General.OptionsFileName}
+Saved in: @code{-}
 
 @item View.VectorType
 Vector display type (1=segment, 2=arrow, 3=pyramid, 4=3D arrow, 5=displacement)@*
-- 
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