diff --git a/doc/GraphicPostprocessing.tex b/doc/GraphicPostprocessing.tex
index f619c0a4cb4f5043f626a896516a5eaedf85b373..752914acedb32aa89030e757b164785b24b5e39b 100644
--- a/doc/GraphicPostprocessing.tex
+++ b/doc/GraphicPostprocessing.tex
@@ -3,14 +3,9 @@
 \def\iFM#1{\index{Frida!graphic file!#1 (PostScript macro)}\index{#1 (Frida PostScript macro)}}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section{Introduction to Graphics}
+\section{Graphic files}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-The following notes describe how to post-process PostScript graphics files
-generated by Frida, in order to obtain publication-grade figure.
-These notes have grown out of an oral tutorial.
-They will be gradually converted from slide-show format to written-manual style.
-
 In Frida, two different methods are used to visualize data.
 For screen display in interactive sessions,
 Frida spawns a Gnuplot session.
@@ -20,16 +15,12 @@ For saving graphics (command \T{gp}),
 Frida does \E{not} use Gnuplot's PostScript backend,
 but directly writes PostScript commands to a file.
 \index{PostScript!written by Frida}%
-In the following,
-the structure of this Frida-generated PostScript file is explained,
-and it is shown how to embellish a plot by a few edits to this file.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section{Graphic formats, workflow}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+In this chapter,
+the structure of the Frida-generated PostScript file is explained,
+and it is shown how to manually edit such files to obtain publication-grade graphics.
 
 %==============================================================================
-\subsection{File formats}
+\subsection{Graphic file formats}
 %==============================================================================
 
 Graphics can be stored in many different file formats.
@@ -126,11 +117,11 @@ should be left in vector format throughout all postprocessing.
 %==============================================================================
 
 Within Frida, the commands \T{p} and \T{a}
-\iFC{p}
-\iFC{a}
+\iFC{p}%
+\iFC{a}%
 are used to plot data and curves.
 Commands starting with the letter \T{g}
-\iFC{g\ldots}
+\iFC{g\ldots}%
 allow to choose output windows, to set data ranges,
 and to modify other control parameters.
 Plot commands are sent from Frida to a Gnuplot process,
@@ -141,14 +132,14 @@ Instead,
 Frida holds a complete copy of the graphics state and of all plotted
 data in memory.
 When the command \T{gp} or \T{gf} is issued,
-\iFC{gp}
-\iFC{gf}
+\iFC{gp}%
+\iFC{gf}%
 these data are used to generate a PostScript file
 \index{PostScript!written by Frida}%
 that contains essentially the same plot as the active Gnuplot window.
 
 The command \T{gp} saves a complete graphics file
-\iFC{gp}
+\iFC{gp}%
 as \url{l<number>.ps} in the preset graphics output directory
 (by default \url{~/gnew/}).
 For \url{number}, the lowest unused integer is chosen.
@@ -156,7 +147,7 @@ The so obtained file can immediately be viewed, printed,
 and modified in a text editor.
 Alternatively,
 the command \T{gf} generates an incomplete graphic file \url{l<number>.psa}
-\iFC{gf}
+\iFC{gf}%
 that is lacking all macro definitions.
 Such a file is useful when when several Frida-generated plots shall be
 combined into one figure (\cref{Sconcat}).
@@ -316,18 +307,6 @@ or to multiple of the expected final size,
 before being rasterized.
 \index{Raster graphics!conversion from vector format}%
 
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section{Postprocessing Frida graphics}\label{SFridaPS}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-In \cref{SWorkflow} we saw \E{how} to modify a PostScript file in an
-interactive edit session,
-using a text editor and an image viewer side-by-side.
-Let us now discuss \E{what} to modify in a Frida-generated PostScript graphic.
-We start with a structural overview before we turn to single PostScript commands
-that allow parameter changes or other modifications.
-
 %==============================================================================
 \subsection{File structure}
 %==============================================================================
@@ -406,8 +385,7 @@ in a comment block near the end of the setup section.
 %==============================================================================
 
 We now give a brief introduction to programming and plotting in PostScript,
-and thereby provides a foundation for the following \cref{SFridaPS} about
-editing Frida-generated PostScript code.
+and thereby provide a foundation for the editing of Frida-generated PostScript code.
 
 PostScript was created around 1981, and got into wide-spread use
 thanks to consistent support by Apple
diff --git a/doc/Introduction.tex b/doc/Introduction.tex
index 64cc786dca20f1db0e58149686468503c626e81e..a382aad46cca8aa5cdf6e06d4158e6a27d586e99 100644
--- a/doc/Introduction.tex
+++ b/doc/Introduction.tex
@@ -2,8 +2,9 @@
 \section{Introduction}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-Frida is a versatile data-analysis program.
-From a command-line interface, it offers various methods to
+Frida is a versatile data analysis program.
+From a command line interface,
+it offers numerous methods to
 visualize, manipulate and fit tabular data.
 Frida is especially designed for the analysis of spectral data,
 in particular from quasielastic neutron scattering (QENS).
@@ -14,3 +15,6 @@ new features will be implemented occasionally,
 but development at large is stalled until a decision is taken
 which QENS software shall be institutionally supported at MLZ and
 partner institutes.
+
+This User Manual is a fragment:
+A few topics are covered in depth, others are missing completely.
diff --git a/doc/Title.tex b/doc/Title.tex
index c0abf84c97b8b33caaa9d90ff01b4151baffd3ba..39ab8b20890cac287c75bd93e2833b95c3cb4411 100644
--- a/doc/Title.tex
+++ b/doc/Title.tex
@@ -12,7 +12,7 @@
 {\bf Frida}\\[10mm]
 \huge
 {\bf User Manual}\\[10mm]
-{\bf --- incomplete, work in progress ---}\\[10mm]
+{\bf (incomplete preview, work in progress)}\\[10mm]
 \large
 Frida version \FridaVersionNumber\\
 \today\\\vfill
diff --git a/doc/UserManual.tex b/doc/UserManual.tex
index 820a51829d88148f450f7e2cb4178623b3b6286a..7ce99637d1487637b5d8f78a180c4997f60aacc6 100644
--- a/doc/UserManual.tex
+++ b/doc/UserManual.tex
@@ -11,7 +11,7 @@
 \def\E#1{\textsl{#1}}
 \def\T#1{\texttt{#1}}
 
-\def\FridaVersionNumber{2.3.4d}
+\def\FridaVersionNumber{2.3.5a}
 
 \begin{document}
 \flushbottom