diff --git a/doc/texinfo/opt_general.texi b/doc/texinfo/opt_general.texi
index ee5d466cc1b93c0e996d5e9085c046d4a10a20de..9ff3e1c07fc58f3095f16e1df01851ab7f5d93ab 100644
--- a/doc/texinfo/opt_general.texi
+++ b/doc/texinfo/opt_general.texi
@@ -35,7 +35,7 @@ Default value: @code{""}@*
 Saved in: @code{General.OptionsFileName}
 
 @item General.BackgroundImageFileName
-Background image file in JPEG or PNG format@*
+Background image file in JPEG, PNG or PDF format@*
 Default value: @code{""}@*
 Saved in: @code{General.OptionsFileName}
 
@@ -270,12 +270,12 @@ Default value: @code{0}@*
 Saved in: @code{General.OptionsFileName}
 
 @item General.BackgroundImageWidth
-Width of background image (0: actual width; -1: fullscreen)@*
+Width of background image (0: actual width; -1: graphic window width)@*
 Default value: @code{-1}@*
 Saved in: @code{General.OptionsFileName}
 
 @item General.BackgroundImageHeight
-Height of background image (0: actual width; -1: fullscreen)@*
+Height of background image (0: actual height; -1: graphic window height)@*
 Default value: @code{-1}@*
 Saved in: @code{General.OptionsFileName}
 
diff --git a/doc/texinfo/opt_plugin.texi b/doc/texinfo/opt_plugin.texi
index 948e5e6d72eeeb93701da34112fd71102bea6cca..d481766a06e523019698f6e351fe058d3df95b23 100644
--- a/doc/texinfo/opt_plugin.texi
+++ b/doc/texinfo/opt_plugin.texi
@@ -116,6 +116,9 @@ Numeric options:
 Default value: @code{-1}
 @end table
 
+@item Plugin(CurvedBndDist)
+Plugin(CurvedBndDist) ...
+
 @item Plugin(CutBox)
 Plugin(CutBox) cuts the view `View' with a rectangular box defined by the 4 points (`X0',`Y0',`Z0') (origin), (`X1',`Y1',`Z1') (axis of U), (`X2',`Y2',`Z2') (axis of V) and (`X3',`Y3',`Z3') (axis of W).
 
diff --git a/doc/texinfo/opt_print.texi b/doc/texinfo/opt_print.texi
index 395ba730efb5f70cae0a15467ca44674cfbb212c..b1ce1d062e46eabefee2337a43815c1f4dc2c5f8 100644
--- a/doc/texinfo/opt_print.texi
+++ b/doc/texinfo/opt_print.texi
@@ -30,7 +30,7 @@ Default value: @code{10}@*
 Saved in: @code{General.OptionsFileName}
 
 @item Print.Background
-Print background?@*
+Print background (gradient and image)?@*
 Default value: @code{0}@*
 Saved in: @code{General.OptionsFileName}
 
diff --git a/doc/texinfo/opt_solver.texi b/doc/texinfo/opt_solver.texi
index 648c43bb560f24e6a13eaf16ded4c0f954a7f91f..c655dd4eea89445215baafcaa78fc36f27b47cb6 100644
--- a/doc/texinfo/opt_solver.texi
+++ b/doc/texinfo/opt_solver.texi
@@ -180,7 +180,7 @@ Default value: @code{0}@*
 Saved in: @code{General.OptionsFileName}
 
 @item Solver.AutoMesh
-Automatically mesh if necesssary@*
+Automatically mesh if necesssary (0: never remesh; 1: on startup, use existing mesh on disk if available; 2: always remesh)@*
 Default value: @code{1}@*
 Saved in: @code{General.OptionsFileName}
 
@@ -189,9 +189,9 @@ Automatically merge result files@*
 Default value: @code{1}@*
 Saved in: @code{General.OptionsFileName}
 
-@item Solver.AutoHideNewViews
-Automcatically hide newly merged results@*
-Default value: @code{0}@*
+@item Solver.AutoShowViews
+Automcatically show newly merged results (0: none; 1: all; 2: last one)@*
+Default value: @code{2}@*
 Saved in: @code{General.OptionsFileName}
 
 @item Solver.AutoShowLastStep