Add cover settings help file.

examples/cover-example-1.tex

@@ -4,9 +4,9 @@
 %
 % Help lines. Switch all off for production.
 %
-%showlayoutlines=true,%
-%showsafetylines=true,%
-showbleedlines=false,%
+showlayoutlines=true,%
+showsafetylines=true,%
+showbleedlines=true,%
 %germantext=true,%
 twolineresearchgroup=true,%
 %
@@ -20,7 +20,7 @@ spinewidth=2.56cm,%
 bleed=1.7cm,%
 frontgraphicxshift=-0.43cm,%
 frontgraphicyshift=-3cm,%
-spinecorr=0.5cm
+spinecorr=0cm
 %
 %softcover
 %coverwidth=15.5cm,%

manual.tex

@@ -1397,8 +1397,9 @@ that you can use to get started with your own cover.
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 The following length options commonly have to be given.
-If unsure about their meaning, you can experiment with different values
-and observe how the cover changes.
+The repository contains a file called \lstinline!cover-help.pdf!
+which explains the meaning of most options.
+If still unsure, you can experiment with different values and observe how the cover changes.
 All those values should be based on information given by the printing service.
 \begin{description}[font=\tt]
   \item[coverwidth] Width of the cover (when the book is closed and without the binding).
@@ -2287,6 +2288,15 @@ An article on A4 paper:
 
 
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\subsection*{2019-09-21}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+Added a PDF to better explain the meaning
+of the different cover settings.
+
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \subsection*{2019-03-05}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%