diff --git a/.gitignore b/.gitignore
index 8630d36d..c7a084c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,8 +39,10 @@ devel/rads_fix_j1
 devel/rads_fix_j2
 devel/rads_fix_j3
 devel/rads_fix_reaper
+devel/rads_fix_s3
 devel/rads_fix_sa
 devel/rads_gen_c2_l1r
+devel/rads_gen_h2
 devel/rads_gen_j1
 devel/rads_gen_j2
 devel/rads_gen_j3
@@ -75,4 +77,3 @@ src/radsxoconv
 src/radsxogen
 src/radsxolist
 src/radsxostat
-rads_fix_s3
diff --git a/README.md b/README.md
index 4580984b..893f4c1d 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,10 @@ Please submit your bug reports or feature requests, and track existing ones, on
 ## Version History
 Following is a history of releases on [GitHub](https://github.com/remkos/rads/releases), newest to oldest.
 
+### v4.2.4 (6 June 2016)
+* Bug fix (issue #97), which prevented radsxogen from running properly. This error was introduced in the master on 1 May 2016 (v4.2.2).
+* Enhancements to the user manual.
+
 ### v4.2.3 (29 May 2016)
 * Bug fix (issue #96), which prevented installation of symbolic links within shells other than bash.
 
diff --git a/configure b/configure
index 3aca6945..41b08677 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for RADS 4.2.3.
+# Generated by GNU Autoconf 2.69 for RADS 4.2.4.
 #
 # Report bugs to <remko@altimetrics.com>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='RADS'
 PACKAGE_TARNAME='rads'
-PACKAGE_VERSION='4.2.3'
-PACKAGE_STRING='RADS 4.2.3'
+PACKAGE_VERSION='4.2.4'
+PACKAGE_STRING='RADS 4.2.4'
 PACKAGE_BUGREPORT='remko@altimetrics.com'
 PACKAGE_URL=''
 
@@ -1271,7 +1271,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures RADS 4.2.3 to adapt to many kinds of systems.
+\`configure' configures RADS 4.2.4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1337,7 +1337,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of RADS 4.2.3:";;
+     short | recursive ) echo "Configuration of RADS 4.2.4:";;
    esac
   cat <<\_ACEOF
 
@@ -1433,7 +1433,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-RADS configure 4.2.3
+RADS configure 4.2.4
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1682,7 +1682,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by RADS $as_me 4.2.3, which was
+It was created by RADS $as_me 4.2.4, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2031,8 +2031,8 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: RADS, version 4.2.3" >&5
-$as_echo "$as_me: RADS, version 4.2.3" >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: RADS, version 4.2.4" >&5
+$as_echo "$as_me: RADS, version 4.2.4" >&6;}
 
 # -----------------------------------------------------------------
 # Check for this file before proceeding
@@ -5868,7 +5868,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by RADS $as_me 4.2.3, which was
+This file was extended by RADS $as_me 4.2.4, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5921,7 +5921,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-RADS config.status 4.2.3
+RADS config.status 4.2.4
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 06c4c4c8..52553f0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@
 # -----------------------------------------------------------------
 # Define and show package version
 # -----------------------------------------------------------------
-AC_INIT([RADS], [4.2.3], [remko@altimetrics.com])
+AC_INIT([RADS], [4.2.4], [remko@altimetrics.com])
 AC_PREREQ([2.67])
 AC_MSG_NOTICE([AC_PACKAGE_NAME, version AC_PACKAGE_VERSION])
 
diff --git a/doc/manuals/rads4_data_manual.pdf b/doc/manuals/rads4_data_manual.pdf
index a0658baa..d87c616b 100644
Binary files a/doc/manuals/rads4_data_manual.pdf and b/doc/manuals/rads4_data_manual.pdf differ
diff --git a/doc/manuals/rads4_user_manual.pdf b/doc/manuals/rads4_user_manual.pdf
index d7c3882a..a334f97e 100644
Binary files a/doc/manuals/rads4_user_manual.pdf and b/doc/manuals/rads4_user_manual.pdf differ