From 98272ebf63ab98bf740a8ba78e30adb8702b846c Mon Sep 17 00:00:00 2001
From: Pierre-Yves Rollo <dev@pyrollo.com>
Date: Sun, 8 Jul 2018 21:27:39 +0200
Subject: [PATCH] Added two documentation schema

---
 doc/font.svg  | 463 ++++++++++++++++++++++++++++++++++++++++++
 doc/lines.svg | 544 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1007 insertions(+)
 create mode 100644 doc/font.svg
 create mode 100644 doc/lines.svg

diff --git a/doc/font.svg b/doc/font.svg
new file mode 100644
index 0000000..e4e8757
--- /dev/null
+++ b/doc/font.svg
@@ -0,0 +1,463 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="120mm"
+   height="110mm"
+   viewBox="0 0 120 110"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.2 (5c3e80d, 2017-08-06)"
+   sodipodi:docname="font.svg">
+  <defs
+     id="defs2">
+    <marker
+       inkscape:stockid="Arrow1Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker7159"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path7157"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.4,0,0,-0.4,-4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker7071"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path7069"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.4,0,0,0.4,4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Mend"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path886"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.4,0,0,-0.4,-4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Mstart"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path883"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.4,0,0,0.4,4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path880"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path877"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-3"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-6"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-7"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-5"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-9"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-2"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-7"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-9-9"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-1-3"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-2-6"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-7-0"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-1"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-2"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-9"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-3"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-94"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-7"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-8"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-4"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="1"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.98994949"
+     inkscape:cx="-151.37352"
+     inkscape:cy="445.54867"
+     inkscape:document-units="mm"
+     inkscape:current-layer="g8201"
+     showgrid="true"
+     inkscape:lockguides="true"
+     inkscape:window-width="1877"
+     inkscape:window-height="1052"
+     inkscape:window-x="1409"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     showguides="false">
+    <inkscape:grid
+       type="xygrid"
+       id="grid826"
+       spacingx="1"
+       units="mm"
+       spacingy="1" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-187)">
+    <g
+       id="g7357"
+       transform="translate(65,-15)"
+       style="opacity:0.5">
+      <rect
+         y="202"
+         x="170"
+         height="70"
+         width="70"
+         id="rect828-9"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#808080;fill-opacity:0.25098039;fill-rule:nonzero;stroke:#999999;stroke-width:0.30550504;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+      <path
+         d="m 220,252 h 10 v 10 h -10 z m -50,0 h 10 v 10 h -10 z m 5,-10 h 50 v 10 h -50 z m 4.99998,-10 h 10 v 10 h -10 z M 210,232 h 10 v 10 h -10 z m -5,-10 h 10 v 10 h -10 z m -20,0 h 10 v 10 h -10 z m 5,-10.00002 h 20 v 10 H 190 Z M 195,202 h 10 v 10 h -10 z"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#808080;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.32659864;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+         id="rect854-2"
+         inkscape:connector-curvature="0" />
+    </g>
+    <g
+       id="g8201"
+       transform="translate(0,190)">
+      <rect
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499998, 1.05999994;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+         id="rect1594"
+         width="120"
+         height="109.99999"
+         x="0"
+         y="-3" />
+      <g
+         transform="translate(-75,-120)"
+         id="g7361">
+        <rect
+           style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#0000ff;fill-opacity:0.25098039;fill-rule:nonzero;stroke:#0000ff;stroke-width:0.30550504;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+           id="rect828"
+           width="70"
+           height="70"
+           x="100"
+           y="137" />
+        <path
+           inkscape:connector-curvature="0"
+           id="rect854"
+           style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#0000ff;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.32659864;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+           d="m 150,187 h 10 v 10 h -10 z m -50,0 h 10 v 10 h -10 z m 5,-10 h 50 v 10 h -50 z m 4.99999,-10 h 10 v 10 h -10 z M 140,167 h 10 v 10 h -10 z m -5,-10 h 10 v 10 h -10 z m -20,0 h 10 v 10 h -10 z m 5,-10.00002 h 20 v 10 H 120 Z M 125,137 h 10 v 10 h -10 z" />
+      </g>
+      <path
+         inkscape:connector-curvature="0"
+         id="path875"
+         d="M 19.999999,17 V 87"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart);marker-end:url(#Arrow1Lend)" />
+      <text
+         inkscape:transform-center-y="5.2916667"
+         inkscape:transform-center-x="1.889881"
+         transform="rotate(-90)"
+         id="text1193"
+         y="17.496948"
+         x="-52.43602"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:center;text-anchor:middle;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="17.496948"
+           x="-52.43602"
+           id="tspan1191"
+           sodipodi:role="line">Texture Height</tspan></text>
+      <path
+         inkscape:connector-curvature="0"
+         id="path875-3"
+         d="M 95,97 H 25"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart-3);marker-end:url(#Arrow1Lend-7)" />
+      <text
+         inkscape:transform-center-y="-1.8898824"
+         inkscape:transform-center-x="5.2916602"
+         id="text1193-5"
+         y="101.69528"
+         x="60.176346"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:center;text-anchor:middle;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="101.69528"
+           x="60.176346"
+           id="tspan1191-6"
+           sodipodi:role="line">Texture Width</tspan></text>
+      <rect
+         y="7"
+         x="25"
+         height="85"
+         width="70"
+         id="rect828-2"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#ff00ff;stroke-width:0.33665016;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path875-0"
+         d="M 20,7 V 17"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#marker7071);marker-end:url(#marker7159)" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path875-0-6"
+         d="m 20,87 v 5"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Mstart);marker-end:url(#Arrow1Mend)" />
+      <text
+         inkscape:transform-center-y="-1.8898824"
+         inkscape:transform-center-x="5.2916678"
+         id="text1193-2"
+         y="10.614426"
+         x="17.348068"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:end;letter-spacing:0px;word-spacing:0px;text-anchor:end;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:end;text-anchor:end;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="10.614426"
+           x="17.348068"
+           id="tspan1191-61"
+           sodipodi:role="line">Margin</tspan><tspan
+           id="tspan8103"
+           style="text-align:end;text-anchor:end;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="15.575363"
+           x="17.348068"
+           sodipodi:role="line">Top</tspan></text>
+      <text
+         inkscape:transform-center-y="-1.8898824"
+         inkscape:transform-center-x="5.2916678"
+         id="text1193-2-8"
+         y="88.4991"
+         x="17.240334"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:end;letter-spacing:0px;word-spacing:0px;text-anchor:end;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:end;text-anchor:end;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="88.4991"
+           x="18.503822"
+           id="tspan1191-61-7"
+           sodipodi:role="line">Margin </tspan><tspan
+           id="tspan8105"
+           style="text-align:end;text-anchor:end;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="93.460037"
+           x="17.240334"
+           sodipodi:role="line">Bottom</tspan></text>
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path875-1"
+         d="M 100,7 V 92"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart-1);marker-end:url(#Arrow1Lend-9)" />
+      <text
+         inkscape:transform-center-y="5.2916667"
+         inkscape:transform-center-x="1.889881"
+         transform="rotate(-90)"
+         id="text1193-0"
+         y="104.35954"
+         x="-49.646301"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:center;text-anchor:middle;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="104.35954"
+           x="-49.646301"
+           id="tspan1191-3"
+           sodipodi:role="line">Line Height</tspan></text>
+    </g>
+  </g>
+</svg>
diff --git a/doc/lines.svg b/doc/lines.svg
new file mode 100644
index 0000000..f75880f
--- /dev/null
+++ b/doc/lines.svg
@@ -0,0 +1,544 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="120mm"
+   height="225mm"
+   viewBox="0 0 120 225"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.2 (5c3e80d, 2017-08-06)"
+   sodipodi:docname="lines.svg">
+  <defs
+     id="defs2">
+    <marker
+       inkscape:stockid="Arrow1Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker7159"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path7157"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.4,0,0,-0.4,-4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker7071"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path7069"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.4,0,0,0.4,4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Mend"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path886"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.4,0,0,-0.4,-4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Mstart"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path883"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.4,0,0,0.4,4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path880"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         id="path877"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-3"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-6"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-7"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-5"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-9"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-2"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-7"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-9-9"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-1-3"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-2-6"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-7-0"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-1"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-2"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-9"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-3"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-94"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-7"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-8"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-4"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-1-2"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-2-0"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-9-6"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-3-1"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lstart-1-5"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path877-2-4"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(0.8,0,0,0.8,10,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend-9-7"
+       style="overflow:visible"
+       inkscape:isstock="true">
+      <path
+         inkscape:connector-curvature="0"
+         id="path880-3-6"
+         d="M 0,0 5,-5 -12.5,0 5,5 Z"
+         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.00000003pt;stroke-opacity:1"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="1"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.7"
+     inkscape:cx="577.84911"
+     inkscape:cy="466.83879"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     inkscape:lockguides="true"
+     inkscape:window-width="1877"
+     inkscape:window-height="1052"
+     inkscape:window-x="1409"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     showguides="false">
+    <inkscape:grid
+       type="xygrid"
+       id="grid826"
+       spacingx="1"
+       units="mm"
+       spacingy="1" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-72)">
+    <rect
+       style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499998, 1.05999993999999997;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+       id="rect890"
+       width="120"
+       height="224.99998"
+       x="0"
+       y="72" />
+    <g
+       id="g10629"
+       transform="translate(-5,-54.999998)">
+      <g
+         id="g8263">
+        <g
+           transform="translate(-40,39.999996)"
+           id="g8268">
+          <rect
+             y="102"
+             x="60"
+             height="70"
+             width="70"
+             id="rect828-9"
+             style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#808080;fill-opacity:0.25098039;fill-rule:nonzero;stroke:#999999;stroke-width:0.30550504;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+          <path
+             d="m 110,152 h 10 v 10 h -10 z m -50,0 h 10 v 10 H 60 Z m 5,-10 h 50 v 10 H 65 Z m 4.99998,-10 h 10 v 10 h -10 z M 100,132 h 10 v 10 h -10 z m -5,-10 h 10 v 10 H 95 Z m -20,0 h 10 v 10 H 75 Z m 5,-10.00002 h 20 v 10 H 80 Z M 85,102 h 10 v 10 H 85 Z"
+             style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#808080;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.32659864;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+             id="rect854-2"
+             inkscape:connector-curvature="0" />
+          <rect
+             y="92"
+             x="60"
+             height="85.000008"
+             width="70"
+             id="rect828-2-6"
+             style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#808080;stroke-width:0.33665016;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+        </g>
+        <g
+           transform="translate(-40,170)"
+           id="g8268-1">
+          <rect
+             y="102"
+             x="60"
+             height="70"
+             width="70"
+             id="rect828-9-0"
+             style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#808080;fill-opacity:0.25098039;fill-rule:nonzero;stroke:#999999;stroke-width:0.30550504;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+          <path
+             d="m 110,152 h 10 v 10 h -10 z m -50,0 h 10 v 10 H 60 Z m 5,-10 h 50 v 10 H 65 Z m 4.99998,-10 h 10 v 10 h -10 z M 100,132 h 10 v 10 h -10 z m -5,-10 h 10 v 10 H 95 Z m -20,0 h 10 v 10 H 75 Z m 5,-10.00002 h 20 v 10 H 80 Z M 85,102 h 10 v 10 H 85 Z"
+             style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#808080;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.32659864;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+             id="rect854-2-6"
+             inkscape:connector-curvature="0" />
+          <rect
+             y="92"
+             x="60"
+             height="85.000008"
+             width="70"
+             id="rect828-2-6-3"
+             style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#808080;stroke-width:0.33665016;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+        </g>
+      </g>
+      <g
+         transform="translate(-75,70)"
+         id="g7361">
+        <rect
+           style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#0000ff;fill-opacity:0.25098039;fill-rule:nonzero;stroke:#0000ff;stroke-width:0.30550504;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+           id="rect828"
+           width="70"
+           height="70"
+           x="100"
+           y="137" />
+        <path
+           inkscape:connector-curvature="0"
+           id="rect854"
+           style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#0000ff;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.32659864;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+           d="m 150,187 h 10 v 10 h -10 z m -50,0 h 10 v 10 h -10 z m 5,-10 h 50 v 10 h -50 z m 4.99999,-10 h 10 v 10 h -10 z M 140,167 h 10 v 10 h -10 z m -5,-10 h 10 v 10 h -10 z m -20,0 h 10 v 10 h -10 z m 5,-10.00002 h 20 v 10 H 120 Z M 125,137 h 10 v 10 h -10 z" />
+      </g>
+      <rect
+         y="197"
+         x="25"
+         height="85"
+         width="70"
+         id="rect828-2"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.98000004;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#ff00ff;stroke-width:0.33665016;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path875-1"
+         d="m 100,197 v 85"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart-1);marker-end:url(#Arrow1Lend-9)" />
+      <text
+         inkscape:transform-center-y="5.2916667"
+         inkscape:transform-center-x="1.889881"
+         transform="rotate(-90)"
+         id="text1193-0"
+         y="104.35954"
+         x="-239.6463"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:center;text-anchor:middle;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="104.35954"
+           x="-239.6463"
+           id="tspan1191-3"
+           sodipodi:role="line">Line Height</tspan></text>
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path875-1-5"
+         d="m 15,197 v 20"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart-1-2);marker-end:url(#Arrow1Lend-9-6)" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path875-1-56"
+         d="M 110,132 V 347"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart-1-5);marker-end:url(#Arrow1Lend-9-7)" />
+      <text
+         inkscape:transform-center-y="5.2916667"
+         inkscape:transform-center-x="1.889881"
+         transform="rotate(-90)"
+         id="text1193-0-9"
+         y="115.82679"
+         x="-239.6463"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:center;text-anchor:middle;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="115.82679"
+           x="-239.6463"
+           id="tspan1191-3-3"
+           sodipodi:role="line">Text Height</tspan></text>
+      <text
+         inkscape:transform-center-y="5.2916667"
+         inkscape:transform-center-x="1.889881"
+         transform="rotate(-90)"
+         id="text1193-0-7"
+         y="11.713711"
+         x="-206.76294"
+         style="font-style:normal;font-weight:normal;font-size:3.96875px;line-height:125%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="text-align:center;text-anchor:middle;fill:#000000;fill-opacity:1;stroke-width:0.26458332px"
+           y="11.713711"
+           x="-206.76294"
+           id="tspan1191-3-4"
+           sodipodi:role="line">Line Spacing</tspan></text>
+      <path
+         inkscape:connector-curvature="0"
+         id="path10512"
+         d="M 25,197 H 15 v 0"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499999, 1.05999996;stroke-dashoffset:0;stroke-opacity:1" />
+      <path
+         inkscape:connector-curvature="0"
+         id="path10512-5"
+         d="M 25,217 H 15 v 0"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499999, 1.05999996;stroke-dashoffset:0;stroke-opacity:1" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path10512-2"
+         d="M 110,132 H 90"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499999, 1.05999996;stroke-dashoffset:0;stroke-opacity:1" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path10512-2-5"
+         d="M 110,347 H 90"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499999, 1.05999997;stroke-dashoffset:0;stroke-opacity:1" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path10512-2-5-4"
+         d="M 100,282 H 95"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499999, 1.05999998;stroke-dashoffset:0;stroke-opacity:1" />
+      <path
+         sodipodi:nodetypes="cc"
+         inkscape:connector-curvature="0"
+         id="path10512-2-5-4-7"
+         d="M 100,197 H 95"
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.26499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:0.26499999, 1.05999999;stroke-dashoffset:0;stroke-opacity:1" />
+    </g>
+  </g>
+</svg>