added various css from pandoc for syntax highlighting

14 files changed, 711 insertions, 299 deletions

diff --git a/080_blog/00040_Haskell/00010_Links-and-Notes-and-Literature/index.md b/080_blog/00040_Haskell/00010_Links-and-Notes-and-Literature/index.md
index 6e82b3b..2eb1215 100644
--- a/080_blog/00040_Haskell/00010_Links-and-Notes-and-Literature/index.md
+++ b/080_blog/00040_Haskell/00010_Links-and-Notes-and-Literature/index.md
@@ -6,29 +6,62 @@
 * **Real World Haskell** by Bryan O'Sullivan, Don Stewart, and John Goerzen
 * **Parallel and Concurrent Programming in Haskell** by Simon Marlow
 
-* **Haskell Wiki** https://wiki.haskell.org
-* **UPENN CIS 194** https://www.seas.upenn.edu/~cis194/spring13/
-* **What I Wish I Knew When Learning Haskell** by Stephen Diehl
-* **Data61 Course** https://github.com/data61/fp-course
+* **Haskell Wiki** <https://wiki.haskell.org>
+* **UPENN CIS 194** <https://www.seas.upenn.edu/~cis194/spring13/>
+* **What I Wish I Knew When Learning Haskell** by Stephen Diehl <http://dev.stephendiehl.com/hask/>
+* **Data61 Course** <https://github.com/data61/fp-course>
 
 * **Monads for functional programming (paper)** by Philip Wadler
 * **Functional Pearl (paper)**  
 * **Why Functional Programming Matters (paper)**
 
-* **Mailing Lists** https://www.haskell.org/mailing-lists/
+* **Mailing Lists** <https://www.haskell.org/mailing-lists/>
 * **IRC** #haskell at chat.freenode.at
-* **Monadic Warsaw**
+* **Monadic Warsaw** 
 
 
-## Xmonad
+## xmonad-contrib contribution
 
-My little contribution to xmonad-contrib:
+Added a pretty printer for empty visible workspaces\
+<https://github.com/xmonad/xmonad-contrib/pull/241>
 
-* Added pretty printer for empty visible workspaces (wrapped in Maybe)
-  https://github.com/xmonad/xmonad-contrib/pull/241
+## Some GHC Flags
 
-## GHC Flags (TODO: put here all the other flags I have documentend in this Makefile somweher :P )
-  -gq ?
+        -v			verbose mode
+        -O2			level 2 optimizations
+        -rtsopts		allow +RTS flags
+        -prof			enable basic time and allocation profiling
+        -auto-all		cost centers on all top level functions
+         			(you can also add them via the SCC pragma)
+        -caf-all      	        generate data for CAFs (constant applicative forms)
+        -fforce-recomp 	        force recompilation
+        -threaded               Use threaed runtime
+        -eventlog               enables +RTS -l flag
+
+        -Wall
+        -Werror
+
+        Notes: you will obtain the profiling versions of dependancies via: 
+               stack install --profile [libraryname]
+
+               -fprof-auto replaced -auto-all
+               -fprof-cafs replaced -caf-all
+
+## Some +RTS flags
+
+        -K 	set stack limit
+        -s      statistic reporting
+        -p	profiling
+        -hc 	extract heap profile
+        -hy	allocation by type
+        -hd     allocation by constructor
+        -ix     x is sampling frequency in seconds. e.g. 0.01)
+        -Nx     x is number of cores to utilize
+        -l      emit log file (can be used threadscope)
+        -ddump-simpl generate core 
+
+        Note: render the heap profile as graph with: hp2ps -e8in -c file.hp
+              show eventlog with: threadscope file.eventlog
 
 ## monad transformers in action
 
diff --git a/080_blog/00040_Haskell/00065_Base64-Encoder/base64.cast b/080_blog/00040_Haskell/00065_Base64-Encoder/base64.cast
index 63fece1..54f3ab5 100644
--- a/080_blog/00040_Haskell/00065_Base64-Encoder/base64.cast
+++ b/080_blog/00040_Haskell/00065_Base64-Encoder/base64.cast
@@ -1,322 +1,226 @@
 {
-  "duration": 14.820928,
+  "command": null,
+  "width": 101,
   "title": null,
+  "height": 6,
   "env": {
     "SHELL": "/bin/bash",
     "TERM": "screen-256color"
   },
-  "width": 106,
   "stdout": [
     [
-      0.019966,
-      "miguel@megaloman:~$ "
-    ],
-    [
-      1.524665,
-      "t"
-    ],
-    [
-      0.08111,
-      "h"
-    ],
-    [
-      0.095838,
-      "i"
-    ],
-    [
-      0.118019,
-      "s"
-    ],
-    [
-      0.086883,
-      " "
-    ],
-    [
-      0.089573,
-      "i"
-    ],
-    [
-      0.134283,
-      "s"
-    ],
-    [
-      0.096031,
-      " "
-    ],
-    [
-      0.114016,
-      "a"
-    ],
-    [
-      0.166151,
-      " "
-    ],
-    [
-      0.319094,
-      "l"
-    ],
-    [
-      0.195916,
-      "o"
-    ],
-    [
-      0.142042,
-      "c"
+      0.020042,
+      "miguel@megaloman:~/git/haskell/base64$ "
     ],
     [
-      0.139961,
-      "a"
+      0.972847,
+      "cat /dev/urandom | pv | ./base64 > /dev/null "
     ],
     [
-      0.07801,
-      "l"
+      0.43902,
+      "\r\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[1Pecho \"Welcome to Base64 encoding\" | ./base64"
     ],
     [
-      0.081012,
-      " "
-    ],
-    [
-      0.094941,
-      "a"
-    ],
-    [
-      0.120898,
-      "s"
-    ],
-    [
-      0.107959,
-      "c"
-    ],
-    [
-      0.115993,
-      "i"
-    ],
-    [
-      0.137871,
-      "i"
+      0.83889,
+      "\r\n"
     ],
     [
-      0.205335,
-      "n"
+      0.001251,
+      "V2VsY29tZSB0byBCYXNlNjQgZW5jb2RpbmcK\r\n"
     ],
     [
-      0.108673,
-      "e"
+      0.000356,
+      "miguel@megaloman:~/git/haskell/base64$ "
     ],
     [
-      0.127436,
-      "m"
+      1.151505,
+      "echo \"Welcome to Base64 encoding\" | ./base64"
     ],
     [
-      0.123916,
-      "a"
+      0.328933,
+      "\r\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[Ccat /dev/urandom | pv | ./base64 > /dev/null "
     ],
     [
-      0.244565,
+      0.833,
       "\r\n"
     ],
     [
-      0.000482,
-      "bash: this: command not found\r\n"
+      1.001665,
+      " 253MiB 0:00:01 [ 253MiB/s] [ <=>                                                                   ]\r"
     ],
     [
-      0.000346,
-      "miguel@megaloman:~$ "
+      0.999837,
+      " 500MiB 0:00:02 [ 247MiB/s] [  <=>                                                                  ]\r"
     ],
     [
-      1.012884,
-      "this is a local asciinema"
+      1.000048,
+      " 753MiB 0:00:03 [ 252MiB/s] [    <=>                                                                ]\r"
     ],
     [
-      0.230737,
-      "\r\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C"
+      1.000117,
+      "1001MiB 0:00:04 [ 247MiB/s] [     <=>                                                               ]\r"
     ],
     [
-      0.140235,
-      "\u001b[1@e"
+      0.999649,
+      "1.22GiB 0:00:05 [ 251MiB/s] [      <=>                                                              ]\r"
     ],
     [
-      0.097927,
-      "\u001b[1@c"
+      1.000026,
+      "1.47GiB 0:00:06 [ 250MiB/s] [        <=>                                                            ]\r"
     ],
     [
-      0.188824,
-      "\u001b[1@j"
+      1.000236,
+      "1.72GiB 0:00:07 [ 253MiB/s] [         <=>                                                           ]\r"
     ],
     [
-      0.000974,
-      "\u001b[1@o"
+      1.000056,
+      "1.96GiB 0:00:08 [ 252MiB/s] [          <=>                                                          ]\r"
     ],
     [
-      0.421424,
-      "\b\u001b[1P"
+      0.999645,
+      " 2.2GiB 0:00:09 [ 244MiB/s] [            <=>                                                        ]\r"
     ],
     [
-      0.117902,
-      "\b\u001b[1P"
+      1.000274,
+      "2.45GiB 0:00:10 [ 253MiB/s] [             <=>                                                       ]\r"
     ],
     [
-      0.208192,
-      "\u001b[1@h"
+      0.999751,
+      "2.69GiB 0:00:11 [ 244MiB/s] [              <=>                                                      ]\r"
     ],
     [
-      0.115112,
-      "\u001b[1@ "
+      1.000191,
+      "2.93GiB 0:00:12 [ 252MiB/s] [                <=>                                                    ]\r"
     ],
     [
-      0.012814,
-      "\u001b[1@o"
+      0.999772,
+      "3.18GiB 0:00:13 [ 248MiB/s] [                 <=>                                                   ]\r"
     ],
     [
-      0.295287,
-      "\r\n"
+      1.000312,
+      "3.43GiB 0:00:14 [ 257MiB/s] [                   <=>                                                 ]\r"
     ],
     [
-      0.000755,
-      "bash: ech: command not found\r\n"
+      0.999856,
+      "3.68GiB 0:00:15 [ 254MiB/s] [                    <=>                                                ]\r"
     ],
     [
-      0.000509,
-      "miguel@megaloman:~$ "
+      1.000239,
+      "3.93GiB 0:00:16 [ 253MiB/s] [                     <=>                                               ]\r"
     ],
     [
-      0.480858,
-      "ech othis is a local asciinema"
+      0.99986,
+      "4.17GiB 0:00:17 [ 248MiB/s] [                       <=>                                             ]\r"
     ],
     [
-      0.192018,
-      "\r\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C\u001b[C"
+      0.999739,
+      " 4.4GiB 0:00:18 [ 242MiB/s] [                        <=>                                            ]\r"
     ],
     [
-      0.237975,
-      "\u001b[C"
+      1.000023,
+      "4.65GiB 0:00:19 [ 252MiB/s] [                         <=>                                           ]\r"
     ],
     [
-      0.118994,
-      "\u001b[C"
+      1.000103,
+      "4.89GiB 0:00:20 [ 245MiB/s] [                           <=>                                         ]\r"
     ],
     [
-      0.146091,
-      "\u001b[1P"
+      1.000106,
+      "5.14GiB 0:00:21 [ 255MiB/s] [                            <=>                                        ]\r"
     ],
     [
-      0.348015,
-      "\u001b[1P"
+      1.000102,
+      "5.38GiB 0:00:22 [ 246MiB/s] [                             <=>                                       ]\r"
     ],
     [
-      0.562446,
-      "\u001b[1@h"
+      1.000042,
+      "5.63GiB 0:00:23 [ 252MiB/s] [                               <=>                                     ]\r"
     ],
     [
-      0.437804,
-      "\u001b[C"
+      0.999787,
+      "5.87GiB 0:00:24 [ 250MiB/s] [                                <=>                                    ]\r"
     ],
     [
-      0.219332,
-      "\u001b[1@ "
+      1.000079,
+      "6.11GiB 0:00:25 [ 248MiB/s] [                                  <=>                                  ]\r"
     ],
     [
-      0.220637,
-      "\r\n"
+      1.000035,
+      "6.36GiB 0:00:26 [ 247MiB/s] [                                   <=>                                 ]\r"
     ],
     [
-      0.000486,
-      "this is a local asciinema\r\n"
+      0.999929,
+      " 6.6GiB 0:00:27 [ 250MiB/s] [                                    <=>                                ]\r"
     ],
     [
-      0.000206,
-      "miguel@megaloman:~$ "
+      0.999966,
+      "6.84GiB 0:00:28 [ 244MiB/s] [                                      <=>                              ]\r"
     ],
     [
-      1.218406,
-      "m"
+      1.000047,
+      "7.09GiB 0:00:29 [ 252MiB/s] [                                       <=>                             ]\r"
     ],
     [
-      0.079499,
-      "c"
+      0.999829,
+      "7.33GiB 0:00:30 [ 250MiB/s] [                                        <=>                            ]\r"
     ],
     [
-      0.170894,
-      "\r\n"
+      0.99996,
+      "7.57GiB 0:00:31 [ 245MiB/s] [                                          <=>                          ]\r"
     ],
     [
-      0.00735,
-      "\u001b[?1049h\u001b[?1h\u001b="
+      1.000063,
+      "7.81GiB 0:00:32 [ 248MiB/s] [                                           <=>                         ]\r"
     ],
     [
-      0.000586,
-      "\u001b[1;9r\u001b[4l\u001b(B\u001b)0\u001b[9;1H\u001b[m\u000f\u001b[37m\u001b[40m\u001b[m\u000f\u001b[39;49m\r                                                                                                         \r\u001b[?1l\u001b>\u001b[?1049l\u001b[?1049h\u001b[?1h\u001b="
+      0.999947,
+      "8.06GiB 0:00:33 [ 251MiB/s] [                                            <=>                        ]\r"
     ],
     [
-      0.021657,
-      "\u001b[?1001s\u001b[?1002h\u001b[?1006h\u001b[?2004h"
+      1.000249,
+      " 8.3GiB 0:00:34 [ 246MiB/s] [                                              <=>                      ]\r"
     ],
     [
-      0.000429,
-      "\u001b[1;9r\u001b[4l\u001b(B\u001b)0\u001b[?1h\u001b=\u001b[m\u000f\u001b[39m\u001b[49m\u001b[1;9r\u001b[H\u001b[J\u001b[2;105H\u001b[1K \u001b[37m\u001b[40m|\u001b[2;106H"
+      1.000158,
+      "8.55GiB 0:00:35 [ 253MiB/s] [                                               <=>                     ]\r"
     ],
     [
-      0.000193,
-      "\b\u001b[39m\u001b[49m\u001b[1K \u001b[37m\u001b[40m╗\u001b[2;106H"
+      0.999634,
+      "8.79GiB 0:00:36 [ 254MiB/s] [                                                <=>                    ]\r"
     ],
     [
-      0.000114,
-      "\b\u001b[39m\u001b[49m\u001b[1K \u001b[37m\u001b[40m/\u001b[2;106H"
+      1.000289,
+      "9.04GiB 0:00:37 [ 251MiB/s] [                                                  <=>                  ]\r"
     ],
     [
-      0.000129,
-      "\b\u001b[39m\u001b[49m\u001b[1K \u001b[37m\u001b[40m╗\u001b[2;106H"
+      0.99977,
+      "9.29GiB 0:00:38 [ 251MiB/s] [                                                   <=>                 ]\r"
     ],
     [
-      0.000156,
-      "\u001b]0;mc [miguel@megaloman]:~\u0007\u001b>"
+      1.000013,
+      "9.53GiB 0:00:39 [ 248MiB/s] [                                                     <=>               ]\r"
     ],
     [
-      0.000337,
-      "\u001b[7;1H\u001b[39m\u001b[49mHint: Want your plain shell? Press C-o, and get back to MC with C-o again.\u001b[7;106H"
+      1.000045,
+      "9.77GiB 0:00:40 [ 247MiB/s] [                                                      <=>              ]\r"
     ],
     [
-      0.000251,
-      "\u001b]0;mc [miguel@megaloman]:~\u0007\u001b>"
+      0.999859,
+      "  10GiB 0:00:41 [ 248MiB/s] [                                                       <=>             ]\r"
     ],
     [
-      0.000102,
-      "\u001b[1;1H\u001b[30m\u001b[47m  Left     File     Command     Options     Right                                                         \u001b[2;1H\u001b[37m\u001b[40m╔«═\u001b[97m\u001b[105m ~ \u001b[37m\u001b[40m═════════════════════════════════════════⋅[^]»╗╔«═ ~ ═════════════════════════════════════════⋅[^]»\r\n║\u001b[97m↑n           Name             \u001b[37m│\u001b[97m Size  \u001b[37m│\u001b[97mModify time \u001b[37m║║\u001b[97m↑n           Name             \u001b[37m│\u001b[97m Size  \u001b[37m│\u001b[97mModify time \u001b[37m║\u001b[4;1H╟───────────────────────────────────────────────────╢╟───────────────────────────────────────────────────╢\u001b[5;1H║UP--DIR                                            ║║"
+      0.760304,
+      "^C\r\n"
     ],
     [
-      1e-05,
-      "UP--DIR                                            ║\u001b[6;1H╚═════════════════════════════════ 158G/234G (67%) ═╝╚═════════════════════════════════ 158G/234G (67%) ═╝\u001b[8;1H\u001b[39m\u001b[49mmiguel@megaloman:~$\u001b[84C\u001b[31m[^]\u001b[9;1H 1\u001b[97mHelp    \u001b[31m 2\u001b[97mMenu    \u001b[31m 3\u001b[97mView     \u001b[31m 4\u001b[97mEdit     \u001b[31m 5\u001b[97mCopy     \u001b[31m 6\u001b[97mRenMov  \u001b[31m 7\u001b[97mMkdir   \u001b[31m 8\u001b[97mDelete   \u001b[31m 9\u001b[97mPullDn   \u001b[31m10\u001b[97mQuit    \u001b[9;105H \b\u001b[4h \u001b[4l\u001b[8;21H"
-    ],
-    [
-      1.221371,
-      "\u001b[1;1H\u001b[39m                                                                                                          \u001b[2;1H                                                                                                          \u001b[3;1H                                                                                                          \u001b[4;1H                                                                                                          \u001b[5;1H                                                                                                          \u001b[6;1H                                                                                                          \u001b[7;1H                                                                                                          \u001b[8;1H                                                                                                          \u001b[9;1H                                                                                                         \u001b[1;106H\u001b[?2"
-    ],
-    [
-      4.5e-05,
-      "004l\u001b[?1006l\u001b[?1002l\u001b[?1001r"
-    ],
-    [
-      0.000416,
-      "\u001b[?1l\u001b>\u001b[9;1H\u001b[m\u000f\u001b[39;49m\r                                                                                                         \r\u001b[?1l\u001b>\u001b[?1049l\u001b[39;49m"
-    ],
-    [
-      0.000319,
+      0.000409,
       "\r\n"
     ],
     [
-      0.001118,
-      "miguel@megaloman:~$ "
-    ],
-    [
-      0.791031,
-      "e"
-    ],
-    [
-      0.62602,
-      "\b\u001b[K"
+      0.000128,
+      "miguel@megaloman:~/git/haskell/base64$ "
     ]
   ],
-  "height": 9,
-  "command": null,
-  "version": 1
+  "version": 1,
+  "duration": 46.348438
 }
\ No newline at end of file
diff --git a/080_blog/00040_Haskell/00065_Base64-Encoder/index.md b/080_blog/00040_Haskell/00065_Base64-Encoder/index.md
index 0ede6cf..3fd87ee 100644
--- a/080_blog/00040_Haskell/00065_Base64-Encoder/index.md
+++ b/080_blog/00040_Haskell/00065_Base64-Encoder/index.md
@@ -2,18 +2,22 @@ Miguel's Base64 Encoder
 =======================
     February 19, 2018
 
-Coded on a winter afternoon to fully understand **base64 encoding** and play with 
+Initially coded on a cold winter afternoon to fully understand **base64 encoding** and play with 
 **Haskell**, which is always an indisputable pleasure.
 
-Coded in _big anger_, due to Nick's fairy tales about saving his encrypted binary
-data in plain ASCII configuration files, featuring strange letters and 
-non-printable characters. :P
+Coded in _big anger_, due to my friend Nick's fairy tales about saving his encrypted binary
+data in plain _ASCII_ configuration files, featuring strange letters and non-printable characters. :smile:
 
-<asciinema-player cols="106" rows="9" preload="true" theme="solarized-dark" autoplay="true" src="base64.cast"></asciinema-player>
+_EDIT_: After optimizing my naive implementation, the encoder now reaches speeds 
+of around **240MB/s** on a single core of my _i7-4790K_.
+
+<asciinema-player loop="1" preload="true" theme="solarized-dark" autoplay="true" src="base64.cast"></asciinema-player>
+
+The source code below was auto-fetched from: 
+<https://gitweb.softwarefools.com/?p=miguel/haskell.git;a=blob;f=base64/base64.hs>
 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.haskell .numberLines}
 {BEGIN:EMBED}
 https://gitweb.softwarefools.com/?p=miguel/haskell.git;a=blob_plain;f=base64/base64.hs
 {END:EMBED}
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The above code was auto-fetched from: <https://gitweb.softwarefools.com/?p=miguel/haskell.git;a=blob_plain;f=base64/base64.hs>
diff --git a/080_blog/00040_Haskell/00200_Estatico-Page-Maker/index.md b/080_blog/00040_Haskell/00200_Estatico-Page-Maker/index.md
index 63f9816..279c721 100644
--- a/080_blog/00040_Haskell/00200_Estatico-Page-Maker/index.md
+++ b/080_blog/00040_Haskell/00200_Estatico-Page-Maker/index.md
@@ -14,13 +14,13 @@ I use **pandoc** et al. for most of the work anyway.
 ## Features
 
 * **No** Database
-* Input with Simple **Markdown** Files 
-* Generates **Static HTML** Content 
-* Embedding data **fetched** via **http/https**
-* Embedding self-hosted **asciinema** casts
-* Embedding Latex formulas via **MathJx**
-* Image Scaling with **ImageMagick**
-* Syntax **Highlighting**
+* Generate HTML from **Markdown** with **pandoc**
+* **Highlight** source-code with **pandoc**
+* Embed data **fetched** from the web with **http-conduit**
+* Embed **screen-casts** with **asciinema**
+* Embed Latex formulas with **MathJx**
+* Scale Images with **ImageMagick**
+* Generate MP4 from OGG **Videos** with **ffmpeg**
 
 ## Try It
 You can find the most recent version following the links below. 
diff --git a/080_blog/00110_Fool-Operating-System/index.md b/080_blog/00110_Fool-Operating-System/index.md
index 765b33d..a8fac68 100644
--- a/080_blog/00110_Fool-Operating-System/index.md
+++ b/080_blog/00110_Fool-Operating-System/index.md
@@ -1,7 +1,52 @@
 Fool OS
 =======
 
-My little buggy toy operating system is a never ending work in progress...
+Welcome to my little buggy **x86 toy operating** system. 
+This is a never ending work in progress, motivated solely by my 
+bottomless curiosity. 
+
+Be warned that most features are unstable and in development.
+
+## Features v0.2
+
+* Booting with Multiboot (Spec. 0.6.96) (e.g. GRUB 2)
+* Rudimentary POSIX compilance
+* 32-bit protected mode
+* Logging to COM1
+* Parsing ACPI (incomplete) and Multiboot Data
+* Symmetrical Multiprocessing with LAPIC and IOAPIC
+* CMOS Clock/ PIT Timer / APIC Timer
+* Seperate GDT and IVT for each CPU
+* Paging / Virtual Memory
+* Ext2 RAM Disk
+* Pipes
+* Standard streams (stdin/stdout/stderr)
+* PS2 Mouse/Keyboard support
+* Multi-threading & Multitasking
+* Kernel and Userspace Tasks
+* CPU Private Memory
+* Support for ELF binaries.
+* IRQ Handling Framework
+* Finegrained Spinlocks
+* Superfast Task Scheduler
+* PCI Bus scanning
+* Ethernet E1000 PCI Driver
+* VESA Framebuffer with fallback to a text-only terminal
+* C-library for Userspace (Newlib)
+* Simple Network Stack (ARP, IPv4, ICMP, UDP)
+* Compositing Window Manager
+
+## Userspace Ports and Programs
+
+* Simple Fool-Shell
+* Snake Game
+* Newlib C library
+* ncurses
+* ncurses-examples
+* vim
+* zlib
+* libpng
+* many more to come...
 
 ## Screenshots
 
@@ -14,7 +59,7 @@ My little buggy toy operating system is a never ending work in progress...
 ![](scale_foolos2.png){.img-fluid}\
 [click here for full-resolution version of pic above.](foolos2.png)\
 My **Compositing** Window Manager in action. As you see **Fool-OS** ships 
-with **vim** and some little **ncurses** programms as well as a 
+with **vim** and some little **ncurses-examples** as well as a 
 **Brainfuck** interpreter.
 
 ## Videos
@@ -33,11 +78,28 @@ Demonstrating the Kernel's **piping** functionality, inside the shell.
 Your browser does not support the video tag.
 
 </video>
-Some random **ncurses** programms running in the **Window Manager**.
+Some random **ncurses** programs (from ncurses-examples) running inside **Terminal Emulators**.
+
+## Git Repository
+
+* [Fool OS - Git Repository](https://gitweb.softwarefools.com/?p=miguel/fool-os.git)
+
+## Disclaimer
+
+    THIS IS A NEVER ENDING WORK IN PROGRESS.
 
-## Links
+    This is a simple and useless "operating system", with a very basic 
+    set of features. It is the fruit of my fundamental explorations of 
+    the x86 architecture and operating system design.
 
-* [reference](https://www.idziorek.net/~miguel/fool-os-ref/)
-* [git](https://gitweb.softwarefools.com/?p=miguel/fool-os.git)
+    Copyright 2014,2015,2018 M.Idziorek <m.i@gmx.at>, unless stated 
+    otherwise or forgotten.
 
-The ref and readme are of course outdated ...
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+    NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
+    BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
+    ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
+    CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+    SOFTWARE.
diff --git a/pandoc.css b/pandoc.css
index 3f99c9d..c377f3e 100644
--- a/pandoc.css
+++ b/pandoc.css
@@ -1,66 +1,7 @@
 /*
-    hack to obtain this css file: file.md needs to have some source-code for pandoc. 
+    hack to obtain pandoc css files: file.md needs to have some source-code for pandoc. 
     extract css from result:
     stack exec pandoc -- -s file.md --highlight-style pygments
 */
-a.sourceLine { display: inline-block; line-height: 1.25; }
-a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
-a.sourceLine:empty { height: 1.2em; }
-.sourceCode { overflow: visible; }
-code.sourceCode { white-space: pre; position: relative; }
-div.sourceCode { margin: 1em 0; }
-pre.sourceCode { margin: 0; }
-@media screen {
-div.sourceCode { overflow: auto; }
-}
-@media print {
-code.sourceCode { white-space: pre-wrap; }
-a.sourceLine { text-indent: -1em; padding-left: 1em; }
-}
-pre.numberSource a.sourceLine
-  { position: relative; left: -4em; }
-pre.numberSource a.sourceLine::before
-  { content: attr(title);
-    position: relative; left: -1em; text-align: right; vertical-align: baseline;
-    border: none; pointer-events: all; display: inline-block;
-    -webkit-touch-callout: none; -webkit-user-select: none;
-    -khtml-user-select: none; -moz-user-select: none;
-    -ms-user-select: none; user-select: none;
-    padding: 0 4px; width: 4em;
-    color: #aaaaaa;
-  }
-pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
-div.sourceCode
-  {  }
-@media screen {
-a.sourceLine::before { text-decoration: underline; }
-}
-code span.al { color: #ff0000; font-weight: bold; } /* Alert */
-code span.an { color: #60a0b0; font-weight: bold; font-style: italic; } /* Annotation */
-code span.at { color: #7d9029; } /* Attribute */
-code span.bn { color: #40a070; } /* BaseN */
-code span.bu { } /* BuiltIn */
-code span.cf { color: #007020; font-weight: bold; } /* ControlFlow */
-code span.ch { color: #4070a0; } /* Char */
-code span.cn { color: #880000; } /* Constant */
-code span.co { color: #60a0b0; font-style: italic; } /* Comment */
-code span.cv { color: #60a0b0; font-weight: bold; font-style: italic; } /* CommentVar */
-code span.do { color: #ba2121; font-style: italic; } /* Documentation */
-code span.dt { color: #902000; } /* DataType */
-code span.dv { color: #40a070; } /* DecVal */
-code span.er { color: #ff0000; font-weight: bold; } /* Error */
-code span.ex { } /* Extension */
-code span.fl { color: #40a070; } /* Float */
-code span.fu { color: #06287e; } /* Function */
-code span.im { } /* Import */
-code span.in { color: #60a0b0; font-weight: bold; font-style: italic; } /* Information */
-code span.kw { color: #007020; font-weight: bold; } /* Keyword */
-code span.op { color: #666666; } /* Operator */
-code span.ot { color: #007020; } /* Other */
-code span.pp { color: #bc7a00; } /* Preprocessor */
-code span.sc { color: #4070a0; } /* SpecialChar */
-code span.ss { color: #bb6688; } /* SpecialString */
-code span.st { color: #4070a0; } /* String */
-code span.va { color: #19177c; } /* Variable */
-code span.vs { color: #4070a0; } /* VerbatimString */
-code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
+
+@import "pandoc_haddock.css"
diff --git a/pandoc_breezedark.css b/pandoc_breezedark.css
new file mode 100644
index 0000000..9582310
--- /dev/null
+++ b/pandoc_breezedark.css
@@ -0,0 +1,64 @@
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    background-color: #232629;
+    color: #7a7c7d;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #7a7c7d;  padding-left: 4px; }
+div.sourceCode
+  { color: #cfcfc2; background-color: #232629; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span. { color: #cfcfc2; } /* Normal */
+code span.al { color: #95da4c; } /* Alert */
+code span.an { color: #3f8058; } /* Annotation */
+code span.at { color: #2980b9; } /* Attribute */
+code span.bn { color: #f67400; } /* BaseN */
+code span.bu { color: #7f8c8d; } /* BuiltIn */
+code span.cf { color: #fdbc4b; } /* ControlFlow */
+code span.ch { color: #3daee9; } /* Char */
+code span.cn { color: #27aeae; } /* Constant */
+code span.co { color: #7a7c7d; } /* Comment */
+code span.cv { color: #7f8c8d; } /* CommentVar */
+code span.do { color: #a43340; } /* Documentation */
+code span.dt { color: #2980b9; } /* DataType */
+code span.dv { color: #f67400; } /* DecVal */
+code span.er { color: #da4453; } /* Error */
+code span.ex { color: #0099ff; } /* Extension */
+code span.fl { color: #f67400; } /* Float */
+code span.fu { color: #8e44ad; } /* Function */
+code span.im { color: #27ae60; } /* Import */
+code span.in { color: #c45b00; } /* Information */
+code span.kw { color: #cfcfc2; } /* Keyword */
+code span.op { color: #cfcfc2; } /* Operator */
+code span.ot { color: #27ae60; } /* Other */
+code span.pp { color: #27ae60; } /* Preprocessor */
+code span.re { color: #2980b9; } /* RegionMarker */
+code span.sc { color: #3daee9; } /* SpecialChar */
+code span.ss { color: #da4453; } /* SpecialString */
+code span.st { color: #f44f4f; } /* String */
+code span.va { color: #27aeae; } /* Variable */
+code span.vs { color: #da4453; } /* VerbatimString */
+code span.wa { color: #da4453; } /* Warning */
diff --git a/pandoc_espresso.css b/pandoc_espresso.css
new file mode 100644
index 0000000..b85a63a
--- /dev/null
+++ b/pandoc_espresso.css
@@ -0,0 +1,60 @@
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    background-color: #2a211c;
+    color: #bdae9d;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #bdae9d;  padding-left: 4px; }
+div.sourceCode
+  { color: #bdae9d; background-color: #2a211c; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ffff00; } /* Alert */
+code span.an { color: #0066ff; font-weight: bold; font-style: italic; } /* Annotation */
+code span.at { } /* Attribute */
+code span.bn { color: #44aa43; } /* BaseN */
+code span.bu { } /* BuiltIn */
+code span.cf { color: #43a8ed; font-weight: bold; } /* ControlFlow */
+code span.ch { color: #049b0a; } /* Char */
+code span.cn { } /* Constant */
+code span.co { color: #0066ff; font-weight: bold; font-style: italic; } /* Comment */
+code span.do { color: #0066ff; font-style: italic; } /* Documentation */
+code span.dt { text-decoration: underline; } /* DataType */
+code span.dv { color: #44aa43; } /* DecVal */
+code span.er { color: #ffff00; font-weight: bold; } /* Error */
+code span.ex { } /* Extension */
+code span.fl { color: #44aa43; } /* Float */
+code span.fu { color: #ff9358; font-weight: bold; } /* Function */
+code span.im { } /* Import */
+code span.in { color: #0066ff; font-weight: bold; font-style: italic; } /* Information */
+code span.kw { color: #43a8ed; font-weight: bold; } /* Keyword */
+code span.op { } /* Operator */
+code span.pp { font-weight: bold; } /* Preprocessor */
+code span.sc { color: #049b0a; } /* SpecialChar */
+code span.ss { color: #049b0a; } /* SpecialString */
+code span.st { color: #049b0a; } /* String */
+code span.va { } /* Variable */
+code span.vs { color: #049b0a; } /* VerbatimString */
+code span.wa { color: #ffff00; font-weight: bold; } /* Warning */
diff --git a/pandoc_haddock.css b/pandoc_haddock.css
new file mode 100644
index 0000000..f8d434d
--- /dev/null
+++ b/pandoc_haddock.css
@@ -0,0 +1,56 @@
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    color: #aaaaaa;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+div.sourceCode
+  {  }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ff0000; } /* Alert */
+code span.an { color: #008000; } /* Annotation */
+code span.at { } /* Attribute */
+code span.bu { } /* BuiltIn */
+code span.cf { color: #0000ff; } /* ControlFlow */
+code span.ch { color: #008080; } /* Char */
+code span.cn { } /* Constant */
+code span.co { color: #008000; } /* Comment */
+code span.cv { color: #008000; } /* CommentVar */
+code span.do { color: #008000; } /* Documentation */
+code span.er { color: #ff0000; font-weight: bold; } /* Error */
+code span.ex { } /* Extension */
+code span.im { } /* Import */
+code span.in { color: #008000; } /* Information */
+code span.kw { color: #0000ff; } /* Keyword */
+code span.op { } /* Operator */
+code span.ot { color: #ff4000; } /* Other */
+code span.pp { color: #ff4000; } /* Preprocessor */
+code span.sc { color: #008080; } /* SpecialChar */
+code span.ss { color: #008080; } /* SpecialString */
+code span.st { color: #008080; } /* String */
+code span.va { } /* Variable */
+code span.vs { color: #008080; } /* VerbatimString */
+code span.wa { color: #008000; font-weight: bold; } /* Warning */
diff --git a/pandoc_kate.css b/pandoc_kate.css
new file mode 100644
index 0000000..426dce9
--- /dev/null
+++ b/pandoc_kate.css
@@ -0,0 +1,64 @@
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    background-color: #ffffff;
+    color: #a0a0a0;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #a0a0a0;  padding-left: 4px; }
+div.sourceCode
+  { color: #1f1c1b; background-color: #ffffff; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span. { color: #1f1c1b; } /* Normal */
+code span.al { color: #bf0303; background-color: #f7e6e6; font-weight: bold; } /* Alert */
+code span.an { color: #ca60ca; } /* Annotation */
+code span.at { color: #0057ae; } /* Attribute */
+code span.bn { color: #b08000; } /* BaseN */
+code span.bu { color: #644a9b; font-weight: bold; } /* BuiltIn */
+code span.cf { color: #1f1c1b; font-weight: bold; } /* ControlFlow */
+code span.ch { color: #924c9d; } /* Char */
+code span.cn { color: #aa5500; } /* Constant */
+code span.co { color: #898887; } /* Comment */
+code span.cv { color: #0095ff; } /* CommentVar */
+code span.do { color: #607880; } /* Documentation */
+code span.dt { color: #0057ae; } /* DataType */
+code span.dv { color: #b08000; } /* DecVal */
+code span.er { color: #bf0303; text-decoration: underline; } /* Error */
+code span.ex { color: #0095ff; font-weight: bold; } /* Extension */
+code span.fl { color: #b08000; } /* Float */
+code span.fu { color: #644a9b; } /* Function */
+code span.im { color: #ff5500; } /* Import */
+code span.in { color: #b08000; } /* Information */
+code span.kw { color: #1f1c1b; font-weight: bold; } /* Keyword */
+code span.op { color: #1f1c1b; } /* Operator */
+code span.ot { color: #006e28; } /* Other */
+code span.pp { color: #006e28; } /* Preprocessor */
+code span.re { color: #0057ae; background-color: #e0e9f8; } /* RegionMarker */
+code span.sc { color: #3daee9; } /* SpecialChar */
+code span.ss { color: #ff5500; } /* SpecialString */
+code span.st { color: #bf0303; } /* String */
+code span.va { color: #0057ae; } /* Variable */
+code span.vs { color: #bf0303; } /* VerbatimString */
+code span.wa { color: #bf0303; } /* Warning */
diff --git a/pandoc_monochrome.css b/pandoc_monochrome.css
new file mode 100644
index 0000000..bb56806
--- /dev/null
+++ b/pandoc_monochrome.css
@@ -0,0 +1,43 @@
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+  }
+pre.numberSource { margin-left: 3em;  padding-left: 4px; }
+div.sourceCode
+  {  }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { font-weight: bold; } /* Alert */
+code span.an { font-style: italic; } /* Annotation */
+code span.cf { font-weight: bold; } /* ControlFlow */
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diff --git a/pandoc_pygments.css b/pandoc_pygments.css
new file mode 100644
index 0000000..cee8875
--- /dev/null
+++ b/pandoc_pygments.css
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+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
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+}
+@media print {
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+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
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+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    color: #aaaaaa;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+div.sourceCode
+  {  }
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+}
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diff --git a/pandoc_tango.css b/pandoc_tango.css
new file mode 100644
index 0000000..ec04f53
--- /dev/null
+++ b/pandoc_tango.css
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+div.sourceCode { margin: 1em 0; }
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+}
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+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    color: #aaaaaa;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+div.sourceCode
+  { background-color: #f8f8f8; }
+@media screen {
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+}
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diff --git a/pandoc_zenburn.css b/pandoc_zenburn.css
new file mode 100644
index 0000000..9632339
--- /dev/null
+++ b/pandoc_zenburn.css
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+pre.sourceCode { margin: 0; }
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+}
+@media print {
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+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
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+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+  }
+pre.numberSource { margin-left: 3em;  padding-left: 4px; }
+div.sourceCode
+  { color: #cccccc; background-color: #303030; }
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+a.sourceLine::before { text-decoration: underline; }
+}
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