diff --git a/skills/diagram-design/assets/icons.html b/skills/diagram-design/assets/icons.html
index d6567e8..da96e06 100644
--- a/skills/diagram-design/assets/icons.html
+++ b/skills/diagram-design/assets/icons.html
@@ -212,7 +212,7 @@
 </div></section>
 <section class="cat"><h2>Statistical tools</h2><div class="grid">
 <div class="cell"><div class="icon"><svg aria-hidden="true" width="24" height="24" viewBox="0 0 128 128" fill="currentColor"><path fill="currentColor" d="M125 80.5c-1.7 0-3.1 1.3-3.1 3s1.3 3 3.1 3c1.7 0 3-1.3 3-3s-1.3-3-3-3zm-.1.5c1.4 0 2.4 1.1 2.4 2.5s-1 2.5-2.3 2.5c-1.4 0-2.4-1.1-2.4-2.5s.9-2.4 2.3-2.5zm-1 .8v3.4h.6v-1.5h.6l.9 1.5h.6l-.9-1.6c.6 0 .8-.4.8-.9 0-.6-.4-.9-1.2-.9h-1.4zm.5 1.5v-1.1h.7c.5 0 .7.2.7.6s-.3.6-.6.6l-.8-.1zM31.3 93.7c-1.6-1.2-3.5-2.2-6.1-3-3.3-1.1-8.1-2.2-10-2.9-1.2-.5-1.7-1.2-1.7-2.2 0-1.4 1.7-2.2 3.7-2.3 3.3.1 4.3 2 4.5 3.3h9.6v7.1zm12 8.9h7.1c6.2-.1 11.2-3.2 13.7-7.7.2-.4.4-.7.6-1.1.4.5.7.7 1.1 1.1 1.7 1.5 3.9 2.6 6.2 3.3 3.7 1.3 6.6 2.2 7.6 2.6 1.9.8 3.1 1.4 3.1 3.1 0 2-2.2 2.8-4.5 2.9-3.1-.1-6.2-1.6-6.1-4.7H60c.6 8.1 8.6 14.4 18 14.5 5.7-.1 11-1.7 14.4-5.8 3.4 3.5 7.4 5.7 13 5.8 8.9-.1 18.1-4.5 18.2-13.9 0-3-.8-5.6-2.7-7.8-1.7-2-4.1-3.3-7.4-4.2-3.3-1.1-8.1-2.2-10-2.9-1.2-.5-1.7-1.2-1.7-2.2 0-1.4 1.7-2.2 3.7-2.3 3.3.1 4.3 2 4.5 3.3h11.6c.1-8-6.6-13.3-16.1-13.3-7.1 0-11.9 2.7-14.3 6.6-2.6-4.1-7.8-6.6-14.3-6.6-6.8 0-11.5 2.6-14 6.3-2.8-3.6-7.4-5.9-13-5.9H31.3v6.1c-2.6-4.1-7.8-6.5-14.2-6.5-9.9 0-15.3 5.5-15.8 11.8 0 3.9 1.9 7.4 4.8 9.9 1.7 1.5 3.7 2.6 6 3.3 3.7 1.3 6.6 2.2 7.6 2.6 1.9.8 3.1 1.4 3.1 3.1 0 2-2.3 2.8-4.5 2.9-3.1-.1-6.2-1.6-6.1-4.7H-.1c.6 8.1 8.6 14.4 18 14.5 5.2-.1 10-1.5 13.2-4.5v3.8h12l.2-13.4zm0-18.9h6.5c2.4 0 4.5 2 4.5 4.5s-2 4.5-4.5 4.5h-6.5v-9zM92.5 95c-1.7-2-4.1-3.3-7.4-4.2-3.3-1.1-8.1-2.2-9.9-2.9-1.3-.5-1.9-1.2-1.9-2.2 0-1.4 1.7-2.2 3.7-2.3 3.4.1 4.3 2 4.5 3.3h8.2c.5 3.2 2.1 6.1 4.7 8.3 1.7 1.5 3.8 2.6 6.1 3.3 3.7 1.3 6.6 2.2 7.5 2.6 2 .8 3.1 1.4 3.1 3.1 0 2-2.3 2.8-4.5 2.9-3.1-.1-6.2-1.6-6.1-4.7H95c0-2.9-.9-5.3-2.5-7.2zM.1 11.2v3.5H25v-3.5H.1zm28.3 0v3.5H64s-3.6-3.5-8.4-3.5H28.4zm42.6 0v3.5h21.5l-1.3-3.5H71zm36.9 0l-1.3 3.5h21.3v-3.5h-20zM.1 18v3.5H25V18H.1zm28.3 0v3.5H68s-.5-2.7-1.3-3.5H28.4zM71 18v3.5h23.8L93.6 18H71zm34.3 0l-1.2 3.5h23.7V18h-22.5zm-98 6.8v3.5H18v-3.5H7.3zm28.3 0v3.5h10.8v-3.5H35.6zm21.4 0v3.5h10.8s.7-1.9.7-3.5H57zm21.2 0v3.5h19.1L96 24.8H78.2zm24.8 0l-1.3 3.5h19.2v-3.5H103zM7.3 31.7v3.5H18v-3.5H7.3zm28.3 0v3.5h27.6s2.3-1.8 3-3.5H35.6zm42.6 0v3.5H89v-1.9l.7 1.9h19.8l.7-1.9v1.9H121v-3.5h-20.3l-1.1 3-1.1-3H78.2zM7.3 38.5V42H18v-3.5H7.3zm28.3 0V42h30.6c-.7-1.7-3-3.5-3-3.5H35.6zm42.6 0V42H89v-3.5H78.2zm12.7 0l1.3 3.5H107l1.2-3.5H90.9zm19.3 0V42H121v-3.5h-10.8zM7.3 45.3v3.5H18v-3.5H7.3zm28.3 0v3.5h10.8v-3.5H35.6zm21.4 0v3.5h11.5c0-1.7-.7-3.5-.7-3.5H57zm21.2 0v3.5H89v-3.5H78.2zm15.2 0l1.3 3.5h9.9l1.3-3.5H93.4zm16.8 0v3.5H121v-3.5h-10.8zM.3 52.1v3.5h24.9v-3.5H.3zm28.1 0v3.5h38.4c.8-.8 1.3-3.5 1.3-3.5H28.4zm42.8 0v3.5H89v-3.5H71.2zm24.6 0l1.3 3.5h5.1l1.2-3.5h-7.6zm14.4 0v3.5h17.9v-3.5h-17.9zM.3 58.9v3.5h24.9v-3.5H.3zm28.1 0v3.5h27.1c4.8 0 8.4-3.5 8.4-3.5H28.4zm42.8 0v3.5H89v-3.5H71.2zm27.1 0l1.3 3.5h.2l1.3-3.5h-2.8zm11.9 0v3.5h17.9v-3.5h-17.9z"/></svg></div><div class="name">spss</div></div>
-<div class="cell"><div class="icon"><svg aria-hidden="true" width="24" height="24" viewBox="0 0 129.24898 53.067852" fill="currentColor"><defs id="defs2322" /> <g id="layer1"> <path d="M 18.46875,0 C 16.638866,-0.041377236 14.748438,0.1725 12.8125,0.65625 C 3.86,2.8925 -6.16125,14.40875 4.78125,27.6875 L 11.3125,35.59375 L 13.15625,37.84375 C 14.39375,39.315 16.41875,39.28875 17.90625,38.0625 C 19.40125,36.829998 19.82625,34.80875 18.59375,33.3125 C 18.592173,33.310397 18.071121,32.679752 17.84375,32.40625 L 17.875,32.40625 C 17.402936,31.838361 17.300473,31.743127 16.8125,31.15625 C 14.448752,28.313409 11.75,25.03125 11.75,25.03125 C 6.9987503,19.265 9.11875,12.14125 15.5625,8.09375 C 21.24,4.5275001 31.65875,5.80125 35.25,11.65625 C 32.988202,4.9805465 26.398246,0.17930136 18.46875,0 z M 19.78125,13.9375 C 18.937031,13.90875 18.055625,14.230625 17.3125,14.84375 C 15.815001,16.0775 15.39375,18.10125 16.625,19.59375 C 16.627499,19.597501 16.77625,19.7825 17.03125,20.09375 C 19.863614,23.496657 23.625,28.0625 23.625,28.0625 C 28.3775,33.82875 26.25625,40.92125 19.8125,44.96875 C 14.136251,48.53375 3.71625,47.2575 0.125,41.40625 C 2.90875,49.618751 12.23875,54.9875 22.5625,52.40625 C 31.5175,50.166248 41.53625,38.6825 30.59375,25.40625 L 22.9375,16.15625 L 22.0625,15.0625 C 21.44375,14.326875 20.625469,13.96625 19.78125,13.9375 z " fill="currentColor" id="path2440" /> <path d="M 53.53125,6.3125 C 47.8625,6.3125 41.374998,9.2362506 41.375,16.28125 C 41.375,22.9875 46.708752,24.869999 52,26.15625 C 57.355,27.4425 62.656249,28.187498 62.65625,32.65625 C 62.65625,37.05875 58.121251,37.875002 54.78125,37.875 C 50.3725,37.875 46.218751,36.27125 46.03125,31.125 L 40.6875,31.125 C 41,39.79375 47.161249,42.968749 54.46875,42.96875 C 61.085,42.96875 68.343749,40.27125 68.34375,31.9375 C 68.34375,25.16375 63.041251,23.25625 57.6875,21.96875 C 52.7125,20.6825 47.031249,20.00625 47.03125,15.875 C 47.03125,12.3525 50.75625,11.40625 53.96875,11.40625 C 57.49875,11.40625 61.151251,12.810001 61.53125,17.28125 L 66.875,17.28125 C 66.435,8.74625 60.712498,6.3125001 53.53125,6.3125 z M 84.40625,6.3125 C 77.159998,6.3125001 70.90625,9.3625 70.59375,18.03125 L 75.9375,18.03125 C 76.190003,12.883749 79.5275,11.40625 84.0625,11.40625 C 87.466253,11.40625 91.3125,12.20625 91.3125,17.21875 C 91.312501,21.553749 86.2975,21.155 80.375,22.375 C 74.833751,23.526251 69.34375,25.23 69.34375,33.15625 C 69.343748,40.133748 74.20125,42.96875 80.125,42.96875 C 84.656249,42.968749 88.6025,41.255 91.5625,37.53125 C 91.562499,41.322498 93.3525,42.96875 96.125,42.96875 C 97.823751,42.968749 98.9925,42.60875 99.9375,42 L 99.9375,37.53125 C 99.244997,37.802498 98.7525,37.875 98.3125,37.875 C 96.612501,37.875002 96.625,36.68 96.625,33.96875 L 96.625,15.9375 C 96.624998,7.7424996 90.265,6.3125 84.40625,6.3125 z M 112.40625,6.3125 C 106.7375,6.3125 100.25,9.2362506 100.25,16.28125 C 100.25,22.9875 105.61625,24.869999 110.90625,26.15625 C 116.2625,27.4425 121.5625,28.187498 121.5625,32.65625 C 121.5625,37.05875 117.02625,37.875002 113.6875,37.875 C 109.2775,37.875 105.125,36.27125 104.9375,31.125 L 99.5625,31.125 C 99.87625,39.79375 106.06875,42.968749 113.375,42.96875 C 119.9875,42.96875 127.21875,40.27125 127.21875,31.9375 C 127.21875,25.16375 121.91625,23.25625 116.5625,21.96875 C 111.58875,20.6825 105.9375,20.00625 105.9375,15.875 C 105.9375,12.3525 109.63125,11.40625 112.84375,11.40625 C 116.37,11.40625 120.025,12.810001 120.40625,17.28125 L 125.78125,17.28125 C 125.3425,8.74625 119.59,6.3125001 112.40625,6.3125 z M 91.25,24.0625 L 91.25,29.96875 C 91.25,33.1525 88.36875,37.875 81.3125,37.875 C 78.040002,37.875002 75,36.51375 75,32.71875 C 75.000003,28.452501 78.0375,27.115 81.5625,26.4375 C 85.15375,25.761251 89.1725,25.6875 91.25,24.0625 z M 38.21875,39.40625 C 37.088748,39.406249 36.125,40.28375 36.125,41.46875 C 36.125001,42.658749 37.08875,43.53125 38.21875,43.53125 C 39.338748,43.53125 40.28125,42.65875 40.28125,41.46875 C 40.281252,40.283749 39.33875,39.40625 38.21875,39.40625 z M 127.15625,39.40625 C 126.0225,39.406249 125.0625,40.285 125.0625,41.46875 C 125.0625,42.66 126.0225,43.53125 127.15625,43.53125 C 128.275,43.53125 129.25,42.66 129.25,41.46875 C 129.25,40.285 128.275,39.40625 127.15625,39.40625 z M 38.21875,39.75 C 39.146248,39.750002 39.875,40.49 39.875,41.46875 C 39.875,42.456249 39.14625,43.1875 38.21875,43.1875 C 37.273748,43.187501 36.53125,42.45625 36.53125,41.46875 C 36.53125,40.489999 37.27375,39.75 38.21875,39.75 z M 127.15625,39.75 C 128.08375,39.750002 128.84375,40.49125 128.84375,41.46875 C 128.84375,42.4575 128.08375,43.1875 127.15625,43.1875 C 126.21,43.187499 125.5,42.4575 125.5,41.46875 C 125.5,40.49125 126.21,39.75 127.15625,39.75 z M 37.40625,40.28125 L 37.40625,42.65625 L 37.78125,42.65625 L 37.78125,41.625 L 38.1875,41.625 L 38.8125,42.65625 L 39.21875,42.65625 L 38.53125,41.59375 C 38.88375,41.553751 39.15625,41.395 39.15625,40.96875 C 39.156251,40.49875 38.8775,40.28125 38.3125,40.28125 L 37.40625,40.28125 z M 126.375,40.28125 L 126.375,42.65625 L 126.71875,42.65625 L 126.71875,41.625 L 127.15625,41.625 L 127.78125,42.65625 L 128.1875,42.65625 L 127.5,41.59375 C 127.84625,41.554998 128.125,41.395 128.125,40.96875 C 128.125,40.49875 127.8425,40.28125 127.28125,40.28125 L 126.375,40.28125 z M 37.78125,40.59375 L 38.28125,40.59375 C 38.528749,40.593749 38.78125,40.6425 38.78125,40.9375 C 38.78125,41.300001 38.5275,41.3125 38.21875,41.3125 L 37.78125,41.3125 L 37.78125,40.59375 z M 126.71875,40.59375 L 127.21875,40.59375 C 127.47125,40.593749 127.75,40.64125 127.75,40.9375 C 127.75,41.300001 127.4625,41.3125 127.15625,41.3125 L 126.71875,41.3125 L 126.71875,40.59375 z " fill="currentColor" id="path2448" /> </g></svg></div><div class="name">sas</div></div>
+<div class="cell"><div class="icon"><svg aria-hidden="true" width="24" height="24" viewBox="0 0 129.24898 53.067852" fill="currentColor"><defs id="defs2322" /> <g id="layer1"> <path d="M 18.46875,0 C 16.638866,-0.041377236 14.748438,0.1725 12.8125,0.65625 C 3.86,2.8925 -6.16125,14.40875 4.78125,27.6875 L 11.3125,35.59375 L 13.15625,37.84375 C 14.39375,39.315 16.41875,39.28875 17.90625,38.0625 C 19.40125,36.829998 19.82625,34.80875 18.59375,33.3125 C 18.592173,33.310397 18.071121,32.679752 17.84375,32.40625 L 17.875,32.40625 C 17.402936,31.838361 17.300473,31.743127 16.8125,31.15625 C 14.448752,28.313409 11.75,25.03125 11.75,25.03125 C 6.9987503,19.265 9.11875,12.14125 15.5625,8.09375 C 21.24,4.5275001 31.65875,5.80125 35.25,11.65625 C 32.988202,4.9805465 26.398246,0.17930136 18.46875,0 z M 19.78125,13.9375 C 18.937031,13.90875 18.055625,14.230625 17.3125,14.84375 C 15.815001,16.0775 15.39375,18.10125 16.625,19.59375 C 16.627499,19.597501 16.77625,19.7825 17.03125,20.09375 C 19.863614,23.496657 23.625,28.0625 23.625,28.0625 C 28.3775,33.82875 26.25625,40.92125 19.8125,44.96875 C 14.136251,48.53375 3.71625,47.2575 0.125,41.40625 C 2.90875,49.618751 12.23875,54.9875 22.5625,52.40625 C 31.5175,50.166248 41.53625,38.6825 30.59375,25.40625 L 22.9375,16.15625 L 22.0625,15.0625 C 21.44375,14.326875 20.625469,13.96625 19.78125,13.9375 z " style="fill:currentColor;fill-opacity:1;fill-rule:nonzero;stroke:none" id="path2440" /> <path d="M 53.53125,6.3125 C 47.8625,6.3125 41.374998,9.2362506 41.375,16.28125 C 41.375,22.9875 46.708752,24.869999 52,26.15625 C 57.355,27.4425 62.656249,28.187498 62.65625,32.65625 C 62.65625,37.05875 58.121251,37.875002 54.78125,37.875 C 50.3725,37.875 46.218751,36.27125 46.03125,31.125 L 40.6875,31.125 C 41,39.79375 47.161249,42.968749 54.46875,42.96875 C 61.085,42.96875 68.343749,40.27125 68.34375,31.9375 C 68.34375,25.16375 63.041251,23.25625 57.6875,21.96875 C 52.7125,20.6825 47.031249,20.00625 47.03125,15.875 C 47.03125,12.3525 50.75625,11.40625 53.96875,11.40625 C 57.49875,11.40625 61.151251,12.810001 61.53125,17.28125 L 66.875,17.28125 C 66.435,8.74625 60.712498,6.3125001 53.53125,6.3125 z M 84.40625,6.3125 C 77.159998,6.3125001 70.90625,9.3625 70.59375,18.03125 L 75.9375,18.03125 C 76.190003,12.883749 79.5275,11.40625 84.0625,11.40625 C 87.466253,11.40625 91.3125,12.20625 91.3125,17.21875 C 91.312501,21.553749 86.2975,21.155 80.375,22.375 C 74.833751,23.526251 69.34375,25.23 69.34375,33.15625 C 69.343748,40.133748 74.20125,42.96875 80.125,42.96875 C 84.656249,42.968749 88.6025,41.255 91.5625,37.53125 C 91.562499,41.322498 93.3525,42.96875 96.125,42.96875 C 97.823751,42.968749 98.9925,42.60875 99.9375,42 L 99.9375,37.53125 C 99.244997,37.802498 98.7525,37.875 98.3125,37.875 C 96.612501,37.875002 96.625,36.68 96.625,33.96875 L 96.625,15.9375 C 96.624998,7.7424996 90.265,6.3125 84.40625,6.3125 z M 112.40625,6.3125 C 106.7375,6.3125 100.25,9.2362506 100.25,16.28125 C 100.25,22.9875 105.61625,24.869999 110.90625,26.15625 C 116.2625,27.4425 121.5625,28.187498 121.5625,32.65625 C 121.5625,37.05875 117.02625,37.875002 113.6875,37.875 C 109.2775,37.875 105.125,36.27125 104.9375,31.125 L 99.5625,31.125 C 99.87625,39.79375 106.06875,42.968749 113.375,42.96875 C 119.9875,42.96875 127.21875,40.27125 127.21875,31.9375 C 127.21875,25.16375 121.91625,23.25625 116.5625,21.96875 C 111.58875,20.6825 105.9375,20.00625 105.9375,15.875 C 105.9375,12.3525 109.63125,11.40625 112.84375,11.40625 C 116.37,11.40625 120.025,12.810001 120.40625,17.28125 L 125.78125,17.28125 C 125.3425,8.74625 119.59,6.3125001 112.40625,6.3125 z M 91.25,24.0625 L 91.25,29.96875 C 91.25,33.1525 88.36875,37.875 81.3125,37.875 C 78.040002,37.875002 75,36.51375 75,32.71875 C 75.000003,28.452501 78.0375,27.115 81.5625,26.4375 C 85.15375,25.761251 89.1725,25.6875 91.25,24.0625 z M 38.21875,39.40625 C 37.088748,39.406249 36.125,40.28375 36.125,41.46875 C 36.125001,42.658749 37.08875,43.53125 38.21875,43.53125 C 39.338748,43.53125 40.28125,42.65875 40.28125,41.46875 C 40.281252,40.283749 39.33875,39.40625 38.21875,39.40625 z M 127.15625,39.40625 C 126.0225,39.406249 125.0625,40.285 125.0625,41.46875 C 125.0625,42.66 126.0225,43.53125 127.15625,43.53125 C 128.275,43.53125 129.25,42.66 129.25,41.46875 C 129.25,40.285 128.275,39.40625 127.15625,39.40625 z M 38.21875,39.75 C 39.146248,39.750002 39.875,40.49 39.875,41.46875 C 39.875,42.456249 39.14625,43.1875 38.21875,43.1875 C 37.273748,43.187501 36.53125,42.45625 36.53125,41.46875 C 36.53125,40.489999 37.27375,39.75 38.21875,39.75 z M 127.15625,39.75 C 128.08375,39.750002 128.84375,40.49125 128.84375,41.46875 C 128.84375,42.4575 128.08375,43.1875 127.15625,43.1875 C 126.21,43.187499 125.5,42.4575 125.5,41.46875 C 125.5,40.49125 126.21,39.75 127.15625,39.75 z M 37.40625,40.28125 L 37.40625,42.65625 L 37.78125,42.65625 L 37.78125,41.625 L 38.1875,41.625 L 38.8125,42.65625 L 39.21875,42.65625 L 38.53125,41.59375 C 38.88375,41.553751 39.15625,41.395 39.15625,40.96875 C 39.156251,40.49875 38.8775,40.28125 38.3125,40.28125 L 37.40625,40.28125 z M 126.375,40.28125 L 126.375,42.65625 L 126.71875,42.65625 L 126.71875,41.625 L 127.15625,41.625 L 127.78125,42.65625 L 128.1875,42.65625 L 127.5,41.59375 C 127.84625,41.554998 128.125,41.395 128.125,40.96875 C 128.125,40.49875 127.8425,40.28125 127.28125,40.28125 L 126.375,40.28125 z M 37.78125,40.59375 L 38.28125,40.59375 C 38.528749,40.593749 38.78125,40.6425 38.78125,40.9375 C 38.78125,41.300001 38.5275,41.3125 38.21875,41.3125 L 37.78125,41.3125 L 37.78125,40.59375 z M 126.71875,40.59375 L 127.21875,40.59375 C 127.47125,40.593749 127.75,40.64125 127.75,40.9375 C 127.75,41.300001 127.4625,41.3125 127.15625,41.3125 L 126.71875,41.3125 L 126.71875,40.59375 z " style="fill:currentColor;fill-opacity:1;fill-rule:nonzero;stroke:none" id="path2448" /> </g></svg></div><div class="name">sas</div></div>
 <div class="cell"><div class="icon"><svg aria-hidden="true" width="24" height="24" viewBox="0 0 128 128" fill="currentColor"><path d="m124.9 47.192c-1.7102 0-3.0994 1.3892-3.0994 3.0994s1.3892 3.0997 3.0994 3.0997c1.7103 0 3.0997-1.3894 3.0997-3.0997s-1.3894-3.0994-3.0997-3.0994zm0 0.2663c1.5663 0 2.8334 1.2668 2.8334 2.8332 0 1.5663-1.267 2.8334-2.8334 2.8334-1.5663 0-2.8332-1.2671-2.8332-2.8334 0-1.5663 1.2668-2.8332 2.8332-2.8332zm-1.6879 1.0714v0.18857h0.27426c0.05 0 0.10361 0.0224 0.1252 0.0557 0.11325 0.15835 0.11391 0.33506 0.11391 0.33506v2.327s-6.6e-4 0.17671-0.11391 0.33506c-0.0216 0.0333-0.0752 0.0557-0.1252 0.0557h-0.27426v0.18855h1.5758v-0.18857h-0.27425c-0.05 0-0.10362-0.0224-0.1252-0.0557-0.11326-0.15835-0.11391-0.33506-0.11391-0.33506v-1.0847h0.35738c0.1188 0 0.3451 0.11827 0.39971 0.16343 0.21263 0.15698 0.32705 0.45654 0.35584 1.0752 6e-3 0.12808 0.0681 0.26617 0.18241 0.34918 0.25405 0.17339 0.70716 0.19688 0.99518-0.0377 0.14313-0.13033 0.19235-0.35261 0.1937-0.56031l-0.18471-0.0344s-0.0289 0.48335-0.28683 0.48335c-0.0803 0-0.19419-0.10295-0.20089-0.26451-0.0123-0.29702-0.17138-0.99918-0.97414-1.2143 0.25052 0 0.66509-0.107 0.79917-0.20473 0.20004-0.14762 0.39504-0.3796 0.41254-0.63395l2e-3 -1e-3v-0.14237l-1e-3 -7.7e-4c-0.0296-0.43143-0.57155-0.79866-0.77865-0.79866h-1.8208zm1.0624 0.26989h0.84304c0.17056 0 0.56011 0.19938 0.58546 0.53133 0 0.0115 2e-3 0.0229 2e-3 0.0341v0.0706c0 0.0112-2e-3 0.0227-2e-3 0.0341-0.0253 0.3314-0.41369 0.53067-0.58469 0.53132h-0.84381zm-95.427 3.5584-2.3513 6.3356h7.8816v22.114h6.3472v-22.114h6.3333l2.3513-6.3356zm48.619 0-2.3513 6.3356h7.8819v22.114h6.3469v-22.114h6.3333l2.3516-6.3356zm-49.565 0.0174-17.355 2.5e-4v1e-3c-0.7843 2e-3 -2.3705 6e-3 -2.5363 6e-3 -2.1745 0-4.0423 1.1602-5.5508 2.6802-1.5084 1.52-2.4609 3.2021-2.4609 5.3933v1.2096c4.99e-4 2.1904 0.95288 3.8719 2.4609 5.3915 1.5085 1.52 3.3763 2.6802 5.5508 2.6802 0.1564 0 1.5491 4e-3 2.3919 6e-3v2e-3h8.9407c1.3141 0 2.3771 1.0426 2.4237 2.3549-0.047 1.3123-1.1096 2.3547-2.4237 2.3547h-16.895l-2.3493 6.33h17.319v-1e-3c0.7401-2e-3 2.4434-6e-3 2.6143-6e-3 2.1745 0 4.0423-1.1602 5.5508-2.6802 1.508-1.5197 2.4606-3.2011 2.4611-5.3915v-1.2099c0-2.1912-0.95274-3.873-2.4611-5.393-1.5085-1.52-3.3763-2.6802-5.5508-2.6802-0.1538 0-1.4982-4e-3 -2.3521-6e-3v-2e-3h-8.9805c-1.3141 0-2.3771-1.0426-2.4237-2.3549 0.047-1.3123 1.1096-2.3549 2.4237-2.3549h16.853zm22.363 8e-3 -2.349 6.33h18.476c1.2888 0 2.3356 1.0028 2.4193 2.2795h0.018v2.6e-4h-0.0239v2.4298l-15.31 7e-3c-2.1745 0-4.0422 1.1602-5.5506 2.6802-3.1887 3.5728-3.3403 8.5643 0 11.994 1.5084 1.52 3.3761 2.6802 5.5506 2.6802l21.633 0.0126-0.0364-20.333c0-2.1912-0.95267-3.8733-2.4611-5.3933-1.5085-1.5201-3.3763-2.6802-5.5508-2.6802zm48.619 0-2.3493 6.33h18.476c1.2888 0 2.3353 1.0028 2.4191 2.2795h0.018v2.6e-4h-0.0239v2.4298l-15.31 7e-3c-2.1745 0-4.0424 1.1602-5.5508 2.6802-3.1886 3.5728-3.3402 8.5643 0 11.994 1.5085 1.52 3.3763 2.6802 5.5508 2.6802l21.633 0.0126-0.0364-20.333c0-2.1912-0.95268-3.8733-2.4611-5.3933-1.5085-1.5201-3.3763-2.6802-5.5508-2.6802zm-44.701 17.37h14.622v4.6857l-14.622 0.0239c-1.314 0-2.3771-1.0426-2.4237-2.3549 0.047-1.3123 1.1097-2.3547 2.4237-2.3547zm48.619 0h14.622v4.6857l-14.622 0.0239c-1.3141 0-2.3771-1.0426-2.4237-2.3549 0.0466-1.3123 1.1096-2.3547 2.4237-2.3547z" fill="currentColor"/></svg></div><div class="name">stata</div></div>
 <div class="cell"><div class="icon"><svg aria-hidden="true" width="24" height="24" viewBox="0 0 128 128" fill="currentColor"><path fill="currentColor" d="M71.4 38.8c-1.5-.6-3.9-1-6.9-1.1-4.2-.1-9 .4-9.2.5v20c13.3.6 15.5-1.7 15.5-1.7 11.6-5.9 4.3-16.2.6-17.7z"/><path fill="currentColor" d="M64 0C28.6 0 0 28.6 0 64s28.6 64 64 64 64-28.6 64-64S99.3 0 64 0zm28.6 89.8H82L64.4 63.5h-9V84h9v5.8H41.5v-5.7l7.6-.1-.1-45.9c-.8-.2-7.5-.8-7.5-.8V32c1 1 7.9 1.2 7.9 1.2 1.6.1 3.9.2 5.2-.1 9.3-1.7 16.4-.4 16.4-.4 14 3.2 14.2 15.8 10.3 22.6-3.5 5.8-10.3 7.2-10.3 7.2l14.4 21.8 7.2-.1v5.6z"/></svg></div><div class="name">rstudio</div></div>
 <div class="cell"><div class="icon"><svg aria-hidden="true" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><title>QGIS</title><path d="M12.879 13.006v3.65l-3.004-3.048v-3.495h3.582l2.852 2.893h-3.43zm10.886 7.606V24h-3.654l-5.73-5.9v-3.55h3.354l6.03 6.062zm-10.828-1.448l3.372 3.371c-1.309.442-2.557.726-4.325.726C5.136 23.26 0 18.243 0 11.565 0 4.92 5.136 0 11.984 0 18.864 0 24 4.952 24 11.565c0 2.12-.523 4.076-1.457 5.759l-3.625-3.725a8.393 8.393 0 0 0 .24-2.005c0-4.291-3.148-7.527-7.1-7.527-3.954 0-7.248 3.236-7.248 7.527s3.33 7.6 7.247 7.6c.548 0 .661.017.88-.03z"/></svg></div><div class="name">qgis</div></div>
diff --git a/skills/diagram-design/references/primitive-icons.md b/skills/diagram-design/references/primitive-icons.md
index 0721e45..88e762b 100644
--- a/skills/diagram-design/references/primitive-icons.md
+++ b/skills/diagram-design/references/primitive-icons.md
@@ -754,7 +754,7 @@ Source: Devicon / `spss-plain` (MIT)
 SAS analytics platform.
 
 ```svg
-<svg aria-hidden="true" width="24" height="24" viewBox="0 0 129.24898 53.067852" fill="currentColor"><defs id="defs2322" /> <g id="layer1"> <path d="M 18.46875,0 C 16.638866,-0.041377236 14.748438,0.1725 12.8125,0.65625 C 3.86,2.8925 -6.16125,14.40875 4.78125,27.6875 L 11.3125,35.59375 L 13.15625,37.84375 C 14.39375,39.315 16.41875,39.28875 17.90625,38.0625 C 19.40125,36.829998 19.82625,34.80875 18.59375,33.3125 C 18.592173,33.310397 18.071121,32.679752 17.84375,32.40625 L 17.875,32.40625 C 17.402936,31.838361 17.300473,31.743127 16.8125,31.15625 C 14.448752,28.313409 11.75,25.03125 11.75,25.03125 C 6.9987503,19.265 9.11875,12.14125 15.5625,8.09375 C 21.24,4.5275001 31.65875,5.80125 35.25,11.65625 C 32.988202,4.9805465 26.398246,0.17930136 18.46875,0 z M 19.78125,13.9375 C 18.937031,13.90875 18.055625,14.230625 17.3125,14.84375 C 15.815001,16.0775 15.39375,18.10125 16.625,19.59375 C 16.627499,19.597501 16.77625,19.7825 17.03125,20.09375 C 19.863614,23.496657 23.625,28.0625 23.625,28.0625 C 28.3775,33.82875 26.25625,40.92125 19.8125,44.96875 C 14.136251,48.53375 3.71625,47.2575 0.125,41.40625 C 2.90875,49.618751 12.23875,54.9875 22.5625,52.40625 C 31.5175,50.166248 41.53625,38.6825 30.59375,25.40625 L 22.9375,16.15625 L 22.0625,15.0625 C 21.44375,14.326875 20.625469,13.96625 19.78125,13.9375 z " fill="currentColor" id="path2440" /> <path d="M 53.53125,6.3125 C 47.8625,6.3125 41.374998,9.2362506 41.375,16.28125 C 41.375,22.9875 46.708752,24.869999 52,26.15625 C 57.355,27.4425 62.656249,28.187498 62.65625,32.65625 C 62.65625,37.05875 58.121251,37.875002 54.78125,37.875 C 50.3725,37.875 46.218751,36.27125 46.03125,31.125 L 40.6875,31.125 C 41,39.79375 47.161249,42.968749 54.46875,42.96875 C 61.085,42.96875 68.343749,40.27125 68.34375,31.9375 C 68.34375,25.16375 63.041251,23.25625 57.6875,21.96875 C 52.7125,20.6825 47.031249,20.00625 47.03125,15.875 C 47.03125,12.3525 50.75625,11.40625 53.96875,11.40625 C 57.49875,11.40625 61.151251,12.810001 61.53125,17.28125 L 66.875,17.28125 C 66.435,8.74625 60.712498,6.3125001 53.53125,6.3125 z M 84.40625,6.3125 C 77.159998,6.3125001 70.90625,9.3625 70.59375,18.03125 L 75.9375,18.03125 C 76.190003,12.883749 79.5275,11.40625 84.0625,11.40625 C 87.466253,11.40625 91.3125,12.20625 91.3125,17.21875 C 91.312501,21.553749 86.2975,21.155 80.375,22.375 C 74.833751,23.526251 69.34375,25.23 69.34375,33.15625 C 69.343748,40.133748 74.20125,42.96875 80.125,42.96875 C 84.656249,42.968749 88.6025,41.255 91.5625,37.53125 C 91.562499,41.322498 93.3525,42.96875 96.125,42.96875 C 97.823751,42.968749 98.9925,42.60875 99.9375,42 L 99.9375,37.53125 C 99.244997,37.802498 98.7525,37.875 98.3125,37.875 C 96.612501,37.875002 96.625,36.68 96.625,33.96875 L 96.625,15.9375 C 96.624998,7.7424996 90.265,6.3125 84.40625,6.3125 z M 112.40625,6.3125 C 106.7375,6.3125 100.25,9.2362506 100.25,16.28125 C 100.25,22.9875 105.61625,24.869999 110.90625,26.15625 C 116.2625,27.4425 121.5625,28.187498 121.5625,32.65625 C 121.5625,37.05875 117.02625,37.875002 113.6875,37.875 C 109.2775,37.875 105.125,36.27125 104.9375,31.125 L 99.5625,31.125 C 99.87625,39.79375 106.06875,42.968749 113.375,42.96875 C 119.9875,42.96875 127.21875,40.27125 127.21875,31.9375 C 127.21875,25.16375 121.91625,23.25625 116.5625,21.96875 C 111.58875,20.6825 105.9375,20.00625 105.9375,15.875 C 105.9375,12.3525 109.63125,11.40625 112.84375,11.40625 C 116.37,11.40625 120.025,12.810001 120.40625,17.28125 L 125.78125,17.28125 C 125.3425,8.74625 119.59,6.3125001 112.40625,6.3125 z M 91.25,24.0625 L 91.25,29.96875 C 91.25,33.1525 88.36875,37.875 81.3125,37.875 C 78.040002,37.875002 75,36.51375 75,32.71875 C 75.000003,28.452501 78.0375,27.115 81.5625,26.4375 C 85.15375,25.761251 89.1725,25.6875 91.25,24.0625 z M 38.21875,39.40625 C 37.088748,39.406249 36.125,40.28375 36.125,41.46875 C 36.125001,42.658749 37.08875,43.53125 38.21875,43.53125 C 39.338748,43.53125 40.28125,42.65875 40.28125,41.46875 C 40.281252,40.283749 39.33875,39.40625 38.21875,39.40625 z M 127.15625,39.40625 C 126.0225,39.406249 125.0625,40.285 125.0625,41.46875 C 125.0625,42.66 126.0225,43.53125 127.15625,43.53125 C 128.275,43.53125 129.25,42.66 129.25,41.46875 C 129.25,40.285 128.275,39.40625 127.15625,39.40625 z M 38.21875,39.75 C 39.146248,39.750002 39.875,40.49 39.875,41.46875 C 39.875,42.456249 39.14625,43.1875 38.21875,43.1875 C 37.273748,43.187501 36.53125,42.45625 36.53125,41.46875 C 36.53125,40.489999 37.27375,39.75 38.21875,39.75 z M 127.15625,39.75 C 128.08375,39.750002 128.84375,40.49125 128.84375,41.46875 C 128.84375,42.4575 128.08375,43.1875 127.15625,43.1875 C 126.21,43.187499 125.5,42.4575 125.5,41.46875 C 125.5,40.49125 126.21,39.75 127.15625,39.75 z M 37.40625,40.28125 L 37.40625,42.65625 L 37.78125,42.65625 L 37.78125,41.625 L 38.1875,41.625 L 38.8125,42.65625 L 39.21875,42.65625 L 38.53125,41.59375 C 38.88375,41.553751 39.15625,41.395 39.15625,40.96875 C 39.156251,40.49875 38.8775,40.28125 38.3125,40.28125 L 37.40625,40.28125 z M 126.375,40.28125 L 126.375,42.65625 L 126.71875,42.65625 L 126.71875,41.625 L 127.15625,41.625 L 127.78125,42.65625 L 128.1875,42.65625 L 127.5,41.59375 C 127.84625,41.554998 128.125,41.395 128.125,40.96875 C 128.125,40.49875 127.8425,40.28125 127.28125,40.28125 L 126.375,40.28125 z M 37.78125,40.59375 L 38.28125,40.59375 C 38.528749,40.593749 38.78125,40.6425 38.78125,40.9375 C 38.78125,41.300001 38.5275,41.3125 38.21875,41.3125 L 37.78125,41.3125 L 37.78125,40.59375 z M 126.71875,40.59375 L 127.21875,40.59375 C 127.47125,40.593749 127.75,40.64125 127.75,40.9375 C 127.75,41.300001 127.4625,41.3125 127.15625,41.3125 L 126.71875,41.3125 L 126.71875,40.59375 z " fill="currentColor" id="path2448" /> </g></svg>
+<svg aria-hidden="true" width="24" height="24" viewBox="0 0 129.24898 53.067852" fill="currentColor"><defs id="defs2322" /> <g id="layer1"> <path d="M 18.46875,0 C 16.638866,-0.041377236 14.748438,0.1725 12.8125,0.65625 C 3.86,2.8925 -6.16125,14.40875 4.78125,27.6875 L 11.3125,35.59375 L 13.15625,37.84375 C 14.39375,39.315 16.41875,39.28875 17.90625,38.0625 C 19.40125,36.829998 19.82625,34.80875 18.59375,33.3125 C 18.592173,33.310397 18.071121,32.679752 17.84375,32.40625 L 17.875,32.40625 C 17.402936,31.838361 17.300473,31.743127 16.8125,31.15625 C 14.448752,28.313409 11.75,25.03125 11.75,25.03125 C 6.9987503,19.265 9.11875,12.14125 15.5625,8.09375 C 21.24,4.5275001 31.65875,5.80125 35.25,11.65625 C 32.988202,4.9805465 26.398246,0.17930136 18.46875,0 z M 19.78125,13.9375 C 18.937031,13.90875 18.055625,14.230625 17.3125,14.84375 C 15.815001,16.0775 15.39375,18.10125 16.625,19.59375 C 16.627499,19.597501 16.77625,19.7825 17.03125,20.09375 C 19.863614,23.496657 23.625,28.0625 23.625,28.0625 C 28.3775,33.82875 26.25625,40.92125 19.8125,44.96875 C 14.136251,48.53375 3.71625,47.2575 0.125,41.40625 C 2.90875,49.618751 12.23875,54.9875 22.5625,52.40625 C 31.5175,50.166248 41.53625,38.6825 30.59375,25.40625 L 22.9375,16.15625 L 22.0625,15.0625 C 21.44375,14.326875 20.625469,13.96625 19.78125,13.9375 z " style="fill:currentColor;fill-opacity:1;fill-rule:nonzero;stroke:none" id="path2440" /> <path d="M 53.53125,6.3125 C 47.8625,6.3125 41.374998,9.2362506 41.375,16.28125 C 41.375,22.9875 46.708752,24.869999 52,26.15625 C 57.355,27.4425 62.656249,28.187498 62.65625,32.65625 C 62.65625,37.05875 58.121251,37.875002 54.78125,37.875 C 50.3725,37.875 46.218751,36.27125 46.03125,31.125 L 40.6875,31.125 C 41,39.79375 47.161249,42.968749 54.46875,42.96875 C 61.085,42.96875 68.343749,40.27125 68.34375,31.9375 C 68.34375,25.16375 63.041251,23.25625 57.6875,21.96875 C 52.7125,20.6825 47.031249,20.00625 47.03125,15.875 C 47.03125,12.3525 50.75625,11.40625 53.96875,11.40625 C 57.49875,11.40625 61.151251,12.810001 61.53125,17.28125 L 66.875,17.28125 C 66.435,8.74625 60.712498,6.3125001 53.53125,6.3125 z M 84.40625,6.3125 C 77.159998,6.3125001 70.90625,9.3625 70.59375,18.03125 L 75.9375,18.03125 C 76.190003,12.883749 79.5275,11.40625 84.0625,11.40625 C 87.466253,11.40625 91.3125,12.20625 91.3125,17.21875 C 91.312501,21.553749 86.2975,21.155 80.375,22.375 C 74.833751,23.526251 69.34375,25.23 69.34375,33.15625 C 69.343748,40.133748 74.20125,42.96875 80.125,42.96875 C 84.656249,42.968749 88.6025,41.255 91.5625,37.53125 C 91.562499,41.322498 93.3525,42.96875 96.125,42.96875 C 97.823751,42.968749 98.9925,42.60875 99.9375,42 L 99.9375,37.53125 C 99.244997,37.802498 98.7525,37.875 98.3125,37.875 C 96.612501,37.875002 96.625,36.68 96.625,33.96875 L 96.625,15.9375 C 96.624998,7.7424996 90.265,6.3125 84.40625,6.3125 z M 112.40625,6.3125 C 106.7375,6.3125 100.25,9.2362506 100.25,16.28125 C 100.25,22.9875 105.61625,24.869999 110.90625,26.15625 C 116.2625,27.4425 121.5625,28.187498 121.5625,32.65625 C 121.5625,37.05875 117.02625,37.875002 113.6875,37.875 C 109.2775,37.875 105.125,36.27125 104.9375,31.125 L 99.5625,31.125 C 99.87625,39.79375 106.06875,42.968749 113.375,42.96875 C 119.9875,42.96875 127.21875,40.27125 127.21875,31.9375 C 127.21875,25.16375 121.91625,23.25625 116.5625,21.96875 C 111.58875,20.6825 105.9375,20.00625 105.9375,15.875 C 105.9375,12.3525 109.63125,11.40625 112.84375,11.40625 C 116.37,11.40625 120.025,12.810001 120.40625,17.28125 L 125.78125,17.28125 C 125.3425,8.74625 119.59,6.3125001 112.40625,6.3125 z M 91.25,24.0625 L 91.25,29.96875 C 91.25,33.1525 88.36875,37.875 81.3125,37.875 C 78.040002,37.875002 75,36.51375 75,32.71875 C 75.000003,28.452501 78.0375,27.115 81.5625,26.4375 C 85.15375,25.761251 89.1725,25.6875 91.25,24.0625 z M 38.21875,39.40625 C 37.088748,39.406249 36.125,40.28375 36.125,41.46875 C 36.125001,42.658749 37.08875,43.53125 38.21875,43.53125 C 39.338748,43.53125 40.28125,42.65875 40.28125,41.46875 C 40.281252,40.283749 39.33875,39.40625 38.21875,39.40625 z M 127.15625,39.40625 C 126.0225,39.406249 125.0625,40.285 125.0625,41.46875 C 125.0625,42.66 126.0225,43.53125 127.15625,43.53125 C 128.275,43.53125 129.25,42.66 129.25,41.46875 C 129.25,40.285 128.275,39.40625 127.15625,39.40625 z M 38.21875,39.75 C 39.146248,39.750002 39.875,40.49 39.875,41.46875 C 39.875,42.456249 39.14625,43.1875 38.21875,43.1875 C 37.273748,43.187501 36.53125,42.45625 36.53125,41.46875 C 36.53125,40.489999 37.27375,39.75 38.21875,39.75 z M 127.15625,39.75 C 128.08375,39.750002 128.84375,40.49125 128.84375,41.46875 C 128.84375,42.4575 128.08375,43.1875 127.15625,43.1875 C 126.21,43.187499 125.5,42.4575 125.5,41.46875 C 125.5,40.49125 126.21,39.75 127.15625,39.75 z M 37.40625,40.28125 L 37.40625,42.65625 L 37.78125,42.65625 L 37.78125,41.625 L 38.1875,41.625 L 38.8125,42.65625 L 39.21875,42.65625 L 38.53125,41.59375 C 38.88375,41.553751 39.15625,41.395 39.15625,40.96875 C 39.156251,40.49875 38.8775,40.28125 38.3125,40.28125 L 37.40625,40.28125 z M 126.375,40.28125 L 126.375,42.65625 L 126.71875,42.65625 L 126.71875,41.625 L 127.15625,41.625 L 127.78125,42.65625 L 128.1875,42.65625 L 127.5,41.59375 C 127.84625,41.554998 128.125,41.395 128.125,40.96875 C 128.125,40.49875 127.8425,40.28125 127.28125,40.28125 L 126.375,40.28125 z M 37.78125,40.59375 L 38.28125,40.59375 C 38.528749,40.593749 38.78125,40.6425 38.78125,40.9375 C 38.78125,41.300001 38.5275,41.3125 38.21875,41.3125 L 37.78125,41.3125 L 37.78125,40.59375 z M 126.71875,40.59375 L 127.21875,40.59375 C 127.47125,40.593749 127.75,40.64125 127.75,40.9375 C 127.75,41.300001 127.4625,41.3125 127.15625,41.3125 L 126.71875,41.3125 L 126.71875,40.59375 z " style="fill:currentColor;fill-opacity:1;fill-rule:nonzero;stroke:none" id="path2448" /> </g></svg>
 ```
 
 Source: Direct fetch / `upload.wikimedia.org` — verify license before use