diff --git a/doc/pipeline.goat b/doc/pipeline.goat
index a35d441..5b15b41 100644
--- a/doc/pipeline.goat
+++ b/doc/pipeline.goat
@@ -1,10 +1,10 @@
-  If conversion is required:
+  Normal flow:
                                                  .---------------.
     PDF        -------------------------------->|                 |
-                     .------------------.       |                 +----------------> Postscript
-    Plaintext  ---->|   QTextDocument    +----->|  pdf2printable  |
-                    |   + QPdfWriter     |      |                 +----------------> PDF
-                     '------------------'       |                 |
+                     .-----------------.        |                 +----------------> Postscript 2
+    Plaintext  ---->|   QTextDocument   +------>|  pdf2printable  |
+                    |   + QPdfWriter    |       |                 +----------------> PDF 1.5
+                     '-----------------'        | (Poppler+Cairo) |
     DOC/PPT          .-------------------.      |                 |
     ODT/ODP    ---->|  Calligraconverter  +---->|                  '---------.
                     |     (optional)      |      '---------------.            +----> PWG-Raster
diff --git a/doc/pipeline.svg b/doc/pipeline.svg
index 19b7665..f6ae280 100644
--- a/doc/pipeline.svg
+++ b/doc/pipeline.svg
@@ -12,12 +12,12 @@ svg {
 <g transform='translate(8,16)'>
 <path d='M 400,16 L 512,16' fill='none' stroke='currentColor'></path>
 <path d='M 120,32 L 376,32' fill='none' stroke='currentColor'></path>
-<path d='M 176,48 L 312,48' fill='none' stroke='currentColor'></path>
+<path d='M 176,48 L 304,48' fill='none' stroke='currentColor'></path>
 <path d='M 528,48 L 664,48' fill='none' stroke='currentColor'></path>
 <path d='M 120,64 L 152,64' fill='none' stroke='currentColor'></path>
-<path d='M 328,64 L 376,64' fill='none' stroke='currentColor'></path>
+<path d='M 320,64 L 376,64' fill='none' stroke='currentColor'></path>
 <path d='M 528,80 L 664,80' fill='none' stroke='currentColor'></path>
-<path d='M 176,96 L 312,96' fill='none' stroke='currentColor'></path>
+<path d='M 176,96 L 304,96' fill='none' stroke='currentColor'></path>
 <path d='M 176,112 L 320,112' fill='none' stroke='currentColor'></path>
 <path d='M 120,128 L 152,128' fill='none' stroke='currentColor'></path>
 <path d='M 336,128 L 376,128' fill='none' stroke='currentColor'></path>
@@ -48,7 +48,7 @@ svg {
 <path d='M 176,416 L 264,416' fill='none' stroke='currentColor'></path>
 <path d='M 160,64 L 160,80' fill='none' stroke='currentColor'></path>
 <path d='M 160,128 L 160,144' fill='none' stroke='currentColor'></path>
-<path d='M 328,64 L 328,80' fill='none' stroke='currentColor'></path>
+<path d='M 320,64 L 320,80' fill='none' stroke='currentColor'></path>
 <path d='M 336,128 L 336,144' fill='none' stroke='currentColor'></path>
 <path d='M 384,32 L 384,128' fill='none' stroke='currentColor'></path>
 <path d='M 384,176 L 384,224' fill='none' stroke='currentColor'></path>
@@ -81,9 +81,9 @@ svg {
 <path d='M 400,16 A 16,16 0 0,0 384,32' fill='none' stroke='currentColor'></path>
 <path d='M 512,16 A 16,16 0 0,1 528,32' fill='none' stroke='currentColor'></path>
 <path d='M 176,48 A 16,16 0 0,0 160,64' fill='none' stroke='currentColor'></path>
-<path d='M 312,48 A 16,16 0 0,1 328,64' fill='none' stroke='currentColor'></path>
+<path d='M 304,48 A 16,16 0 0,1 320,64' fill='none' stroke='currentColor'></path>
 <path d='M 160,80 A 16,16 0 0,0 176,96' fill='none' stroke='currentColor'></path>
-<path d='M 328,80 A 16,16 0 0,1 312,96' fill='none' stroke='currentColor'></path>
+<path d='M 320,80 A 16,16 0 0,1 304,96' fill='none' stroke='currentColor'></path>
 <path d='M 176,112 A 16,16 0 0,0 160,128' fill='none' stroke='currentColor'></path>
 <path d='M 320,112 A 16,16 0 0,1 336,128' fill='none' stroke='currentColor'></path>
 <path d='M 528,112 A 16,16 0 0,0 544,128' fill='none' stroke='currentColor'></path>
@@ -118,29 +118,17 @@ svg {
        font-size: 1em;
   }
 </style>
-<text x='16' y='4'>I</text>
-<text x='24' y='4'>f</text>
-<text x='40' y='4'>c</text>
-<text x='48' y='4'>o</text>
-<text x='56' y='4'>n</text>
-<text x='64' y='4'>v</text>
-<text x='72' y='4'>e</text>
-<text x='80' y='4'>r</text>
-<text x='88' y='4'>s</text>
-<text x='96' y='4'>i</text>
-<text x='104' y='4'>o</text>
-<text x='112' y='4'>n</text>
-<text x='128' y='4'>i</text>
-<text x='136' y='4'>s</text>
-<text x='152' y='4'>r</text>
-<text x='160' y='4'>e</text>
-<text x='168' y='4'>q</text>
-<text x='176' y='4'>u</text>
-<text x='184' y='4'>i</text>
-<text x='192' y='4'>r</text>
-<text x='200' y='4'>e</text>
-<text x='208' y='4'>d</text>
-<text x='216' y='4'>:</text>
+<text x='16' y='4'>N</text>
+<text x='24' y='4'>o</text>
+<text x='32' y='4'>r</text>
+<text x='40' y='4'>m</text>
+<text x='48' y='4'>a</text>
+<text x='56' y='4'>l</text>
+<text x='72' y='4'>f</text>
+<text x='80' y='4'>l</text>
+<text x='88' y='4'>o</text>
+<text x='96' y='4'>w</text>
+<text x='104' y='4'>:</text>
 <text x='32' y='36'>P</text>
 <text x='40' y='36'>D</text>
 <text x='48' y='36'>F</text>
@@ -154,6 +142,7 @@ svg {
 <text x='736' y='52'>i</text>
 <text x='744' y='52'>p</text>
 <text x='752' y='52'>t</text>
+<text x='768' y='52'>2</text>
 <text x='32' y='68'>P</text>
 <text x='40' y='68'>l</text>
 <text x='48' y='68'>a</text>
@@ -203,6 +192,24 @@ svg {
 <text x='680' y='84'>P</text>
 <text x='688' y='84'>D</text>
 <text x='696' y='84'>F</text>
+<text x='712' y='84'>1</text>
+<text x='720' y='84'>.</text>
+<text x='728' y='84'>5</text>
+<text x='400' y='100'>(</text>
+<text x='408' y='100'>P</text>
+<text x='416' y='100'>o</text>
+<text x='424' y='100'>p</text>
+<text x='432' y='100'>p</text>
+<text x='440' y='100'>l</text>
+<text x='448' y='100'>e</text>
+<text x='456' y='100'>r</text>
+<text x='464' y='100'>+</text>
+<text x='472' y='100'>C</text>
+<text x='480' y='100'>a</text>
+<text x='488' y='100'>i</text>
+<text x='496' y='100'>r</text>
+<text x='504' y='100'>o</text>
+<text x='512' y='100'>)</text>
 <text x='32' y='116'>D</text>
 <text x='40' y='116'>O</text>
 <text x='48' y='116'>C</text>