switch to libreoffice
diff --git a/config/delegates.xml.in b/config/delegates.xml.in
index 442fa1a..359b74c 100644
--- a/config/delegates.xml.in
+++ b/config/delegates.xml.in
@@ -65,8 +65,8 @@
   <delegate decode="cdr" command="&quot;@UniconvertorDelegate@&quot; &quot;%i&quot; &quot;%o.svg&quot;; @MVDelegate@ &quot;%o.svg&quot; &quot;%o&quot;"/>
   <delegate decode="cgm" command="&quot;@UniconvertorDelegate@&quot; &quot;%i&quot; &quot;%o.svg&quot;; @MVDelegate@ &quot;%o.svg&quot; &quot;%o&quot;"/>
   <delegate decode="https:decode" command="&quot;@WWWDecodeDelegate@&quot; -s -k -L -o &quot;%u.dat&quot; &quot;https:%M&quot;"/>
-  <delegate decode="doc" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
-  <delegate decode="docx" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="doc" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="docx" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
   <delegate decode="dng:decode" command="&quot;@DNGDecodeDelegate@&quot; --silent --create-id=also --out-type=png --out-depth=16 &quot;--output=%u.png&quot; &quot;%i&quot;"/>
   <delegate decode="dot" command="&quot;@GVCDecodeDelegate@&quot; -Tsvg &quot;%i&quot; -o &quot;%o&quot;" />
   <delegate decode="dvi" command="&quot;@DVIDecodeDelegate@&quot; -sstdout=%%stderr -o &quot;%o&quot; &quot;%i&quot;"/>
@@ -86,7 +86,7 @@
   <delegate decode="miff" encode="show" spawn="True" command="&quot;@DisplayDelegate@&quot; display -immutable -delay 0 -title &quot;%M&quot; &quot;%i&quot;"/>
   <delegate decode="miff" encode="win" stealth="True" spawn="True" command="&quot;@DisplayDelegate@&quot; display -immutable -delay 0 -title &quot;%M&quot; &quot;%i&quot;"/>
   <delegate decode="mpeg:decode" command="&quot;@MPEGDecodeDelegate@&quot; -nostdin -v -1 -i &quot;%i&quot; -vframes %S -vcodec pam -an -f rawvideo -y &quot;%u.pam&quot; 2&gt; &quot;%u&quot;"/>
-  <delegate decode="odt" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="odt" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
   <delegate decode="pcl:cmyk" stealth="True" command="&quot;@PCLDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@PCLCMYKDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
   <delegate decode="pcl:color" stealth="True" command="&quot;@PCLDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@PCLColorDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
   <delegate decode="pcl:mono" stealth="True" command="&quot;@PCLDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@PCLMonoDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
@@ -97,8 +97,8 @@
   <delegate decode="pnm" encode="ilbm" mode="encode" command="&quot;@ILBMEncodeDelegate@&quot; -24if &quot;%i&quot; &gt; &quot;%o&quot;"/>
   <delegate decode="bmp" encode="jxr" command="@MVDelegate@ &quot;%i&quot; &quot;%i.bmp&quot;; &quot;@JXREncodeDelegate@&quot; -i &quot;%i.bmp&quot; -o &quot;%o.jxr&quot;; @MVDelegate@ &quot;%i.bmp&quot; &quot;%i&quot;; @MVDelegate@ &quot;%o.jxr&quot; &quot;%o&quot;"/>
   <delegate decode="bmp" encode="wdp" command="@MVDelegate@ &quot;%i&quot; &quot;%i.bmp&quot;; &quot;@JXREncodeDelegate@&quot; -i &quot;%i.bmp&quot; -o &quot;%o.jxr&quot;; @MVDelegate@ &quot;%i.bmp&quot; &quot;%i&quot;; @MVDelegate@ &quot;%o.jxr&quot; &quot;%o&quot;"/>
-  <delegate decode="ppt" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
-  <delegate decode="pptx" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="ppt" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="pptx" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
   <delegate decode="ps" encode="prt" command="&quot;@LPRDelegate@&quot; &quot;%i&quot;"/>
   <delegate decode="ps:alpha" stealth="True" command="&quot;@PSDelegate@&quot; -sstdout=%%stderr -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@GSAlphaDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;-f%s&quot; &quot;-f%s&quot;"/>
   <delegate decode="ps:cmyk" stealth="True" command="&quot;@PSDelegate@&quot; -sstdout=%%stderr -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@GSCMYKDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;-f%s&quot; &quot;-f%s&quot;"/>
@@ -115,8 +115,8 @@
   <delegate decode="tiff" encode="launch" mode="encode" command="&quot;@LaunchDelegate@&quot; &quot;%i&quot;"/>
   <delegate decode="wdp" command="@MVDelegate@ &quot;%i&quot; &quot;%i.jxr&quot;; &quot;@JXRDecodeDelegate@&quot; -i &quot;%i.jxr&quot; -o &quot;%o.bmp&quot;; @MVDelegate@ &quot;%i.jxr&quot; &quot;%i&quot;; @MVDelegate@ &quot;%o.bmp&quot; &quot;%o&quot;"/>
   <delegate decode="webp" command="&quot;@WebPDecodeDelegate@&quot; -pam &quot;%i&quot; -o &quot;%o&quot;"/>
-  <delegate decode="xls" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
-  <delegate decode="xlsx" command="&quot;@DOCDecodeDelegate@&quot; --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="xls" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
+  <delegate decode="xlsx" command="&quot;@DOCDecodeDelegate@&quot; --headless --convert-to pdf -outdir `dirname &quot;%i&quot;` &quot;%i&quot; 2&gt; &quot;%u&quot;; @MVDelegate@ &quot;%i.pdf&quot; &quot;%o&quot;"/>
   <delegate decode="xps:cmyk" stealth="True" command="&quot;@XPSDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@XPSCMYKDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
   <delegate decode="xps:color" stealth="True" command="&quot;@XPSDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@XPSColorDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
   <delegate decode="xps:mono" stealth="True" command="&quot;@XPSDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@XPSMonoDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
diff --git a/configure b/configure
index 0e90f4f..a6885c8 100755
--- a/configure
+++ b/configure
@@ -4566,7 +4566,7 @@
 
 MAGICK_VERSION=7.0.10-22
 
-MAGICK_GIT_REVISION=17396:167aa2271:20200623
+MAGICK_GIT_REVISION=17403:343c236a4:20200624
 
 
 # Substitute library versioning
@@ -33706,7 +33706,7 @@
 BlenderDecodeDelegateDefault='blender'
 BrowseDelegateDefault='xdg-open'
 DNGDecodeDelegateDefault='ufraw-batch'
-DOCDecodeDelegateDefault='soffice'
+DOCDecodeDelegateDefault='libreoffice'
 GVCDecodeDelegateDefault='dot'
 DVIDecodeDelegateDefault='dvips'
 EditorDelegateDefault='xterm'
diff --git a/configure.ac b/configure.ac
index be943e8..ce11cf0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3112,7 +3112,7 @@
 BlenderDecodeDelegateDefault='blender'
 BrowseDelegateDefault='xdg-open'
 DNGDecodeDelegateDefault='ufraw-batch'
-DOCDecodeDelegateDefault='soffice'
+DOCDecodeDelegateDefault='libreoffice'
 GVCDecodeDelegateDefault='dot'
 DVIDecodeDelegateDefault='dvips'
 EditorDelegateDefault='xterm'