diff --git a/pub/doc/frida.1 b/pub/doc/frida.1
index 6e4fce35ad57646662bd563793911812def29c64..21e2b1d813f9fb6d040ce7a39583af09d9f20b93 100644
--- a/pub/doc/frida.1
+++ b/pub/doc/frida.1
@@ -124,7 +124,7 @@
 .\" ========================================================================
 .\"
 .IX Title "FRIDA 1"
-.TH FRIDA 1 "2010-04-07" "perl v5.10.1" "frida manual"
+.TH FRIDA 1 "2010-05-04" "perl v5.10.1" "frida manual"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -134,10 +134,6 @@ Frida \- Fast reliable interactive data analysis
 .SH "SYNOPSIS"
 .IX Header "SYNOPSIS"
 \&\fBfrida\fR
-.SH "NEWS"
-.IX Header "NEWS"
-The first \s-1JCNS\s0 School on Data Analysis for Quasielastic Neutron Scattering
-with \s-1FRIDA\s0 will take place 28\-29 April 2010 at Garching. Register now: http://www.jcns.info/DataAnalysis2010/
 .SH "DESCRIPTION"
 .IX Header "DESCRIPTION"
 Frida is software for scientific data analysis, primarily written for inelastic neutron scattering. Its data model is quite generic (data files consist of x\-y-dy tables that are differentiated by z coordinates), so that it can be used for many different kinds of observational data.
diff --git a/pub/doc/frida.html b/pub/doc/frida.html
index 8a1810df79244bd4f7634f7238b1238441659b9c..8a0382b93178e38bc6ed3e64ec05247f76ca26c3 100644
--- a/pub/doc/frida.html
+++ b/pub/doc/frida.html
@@ -19,7 +19,6 @@
 
 	<li><a href="#name">NAME</a></li>
 	<li><a href="#synopsis">SYNOPSIS</a></li>
-	<li><a href="#news">NEWS</a></li>
 	<li><a href="#description">DESCRIPTION</a></li>
 	<li><a href="#installation">INSTALLATION</a></li>
 	<li><a href="#documentation">DOCUMENTATION</a></li>
@@ -49,12 +48,6 @@
 <p>
 </p>
 <hr />
-<h1><a name="news">NEWS</a></h1>
-<p>The first JCNS School on Data Analysis for Quasielastic Neutron Scattering
-with FRIDA will take place 28-29 April 2010 at Garching. Register now: <a href="http://www.jcns.info/DataAnalysis2010/">http://www.jcns.info/DataAnalysis2010/</a></p>
-<p>
-</p>
-<hr />
 <h1><a name="description">DESCRIPTION</a></h1>
 <p>Frida is software for scientific data analysis, primarily written for inelastic neutron scattering. Its data model is quite generic (data files consist of x-y-dy tables that are differentiated by z coordinates), so that it can be used for many different kinds of observational data.</p>
 <p>
diff --git a/pub/doc/frida.pod b/pub/doc/frida.pod
index f205dc4413e8ab694e3c0e8011ca0194d44f2d15..3369a4d2aa89cd532b49bc2764e5b09bfbe7a6ba 100644
--- a/pub/doc/frida.pod
+++ b/pub/doc/frida.pod
@@ -17,12 +17,6 @@ Frida - Fast reliable interactive data analysis
 B<frida>
 
 
-=head1 NEWS
-
-The first JCNS School on Data Analysis for Quasielastic Neutron Scattering
-with FRIDA will take place 28-29 April 2010 at Garching. Register now: http://www.jcns.info/DataAnalysis2010/
-
-
 =head1 DESCRIPTION
 
 Frida is software for scientific data analysis, primarily written for inelastic neutron scattering. Its data model is quite generic (data files consist of x-y-dy tables that are differentiated by z coordinates), so that it can be used for many different kinds of observational data.
diff --git a/pub/src/calc.cpp b/pub/src/calc.cpp
index 0ba374a0339dd58e3d17aa2f85c9d183a551c576..7b79c075dd7787493135edd85e2c6f018f8a223c 100644
--- a/pub/src/calc.cpp
+++ b/pub/src/calc.cpp
@@ -35,7 +35,7 @@ void NCalc::Calculator()
             if (s[0]=='q')
                 return;
             if (s[0]=='h' || s[0]=='?') {
-                printf( "enter valid arithmetic expression, or q to quit\n");
+                printf( "enter expression, or q to quit\n");
                 continue;
             }
             try {
diff --git a/pub/src/dualplot.cpp b/pub/src/dualplot.cpp
index e9a9abf1af4464e67af5ba7b90b39f5861ab4b0d..3d72563b8346c0414eac7c8db75e21bd9958c58b 100644
--- a/pub/src/dualplot.cpp
+++ b/pub/src/dualplot.cpp
@@ -211,10 +211,9 @@ void CPlot::addSpec( bool as_line, int style_no,
         nout++;
     }
     fclose(gp_fd);
-    if( !nout ){
-        cout << "no points in frame: " << info << "\n";
-        return;
-    }
+    if( !nout )
+        throw "no points in frame: " + info;
+
 
     // Postscript copy:
     snprintf( outlin, mLin, "\n%3u [", ++ps_snum );