Changes for 1.8, better cleaning

Changes

@@ -1,2 +1,18 @@
-Version 1.8 (October 2014)
+Version 1.8 (November 2014)
+
+o New external linearizer cpdflin replaces original one
+o Encryption now much, much faster.
+o Faster parsing of delayed object streams on large files
+o -decompress now leaves object streams decompressed
+o New -squeeze option to reduce the size of PDF files
+o Select pages by landscape-ness or portrait-ness in a page range
+o New -set-open-action option
+o New -recrypt option to re-encrypt output
+o Reads XML metadata and outputs it on -info
+o New -center position for text
+o -stamp can now use positions, just like stamping text
+o Better handling of permissions for files with user passwords
+o Can encrypt output of -split-bookmarks now
+o -args replaces -control with better behaviour
+o Can scale a stamp to fit before stamping with -scale-stamp-to-fit
 

Makefile

@@ -14,7 +14,7 @@ OCAMLLDFLAGS = -g
 all : native-code native-code-library byte-code-library top htdoc
 
 clean ::
-	rm -rf doc
+	rm -rf doc foo foo2 out.pdf out2pdf
 
 LIBINSTALL_FILES = cpdf.a cpdf.cma cpdf.cmxa \
 $(foreach x,$(MODS),$x.mli) $(foreach x,$(MODS),$x.cmi)

cpdfmanual.tex

@@ -179,9 +179,17 @@ example:
 \begin{framed}
 \small\verb!cpdf in.pdf user=fred reverse -o out.pdf!
 \end{framed}
+
+\noindent To re-encrypt the file with its existing encryption upon writing, which is required if only the user password was supplied, but allowed in any case, add the \texttt{-recrypt} option:
+
+\begin{framed}
+\small\verb!cpdf in.pdf user=fred reverse -recrypt -o out.pdf!
+\end{framed}
+
 \noindent The password required (owner or user) depends upon the operation
 being performed. Separate facilities are provided to decrypt and encrypt files
 (See \Sref{crypt}).
+
   \section{Standard Input and Standard Output}
 \index{standard input} \index{standard output}
   Thus far, we have assumed that the input PDF will be read from a file on