update work flow

CwJ/limits/limits.jmd

@@ -384,6 +384,43 @@ get close to $c$ - allows us to gather quickly if a function seems to
 have a limit at $c$, though the precise value of $L$ may be hard to identify.
 
 
+##### Example
+
+This example illustrates the same limit a different way. Sliding the ``x`` value towards ``0`` shows ``f(x) = \sin(x)/x`` approaches a value of ``1``.
+
+
+```=html
+<div id="jsxgraph" style="width: 500px; height: 500px;"></div>
+```
+
+```ojs
+//| echo: false
+//| output: false
+
+JXG = require("jsxgraph")
+
+b = JXG.JSXGraph.initBoard('jsxgraph', {
+    boundingbox: [-6, 1.2, 6,-1.2], axis:true
+});
+
+f = function(x) {return Math.sin(x) / x;};
+graph = b.create("functiongraph", [f, -6, 6])
+seg = b.create("line", [[-6,0], [6,0]], {fixed:true});
+
+X = b.create("glider", [2, 0, seg], {name:"x", size:4});
+P = b.create("point", [function() {return X.X()}, function() {return f(X.X())}], {name:""});
+Q = b.create("point", [0, function() {return P.Y();}], {name:"f(x)"});
+
+segup = b.create("segment", [P,X], {dash:2});
+segover = b.create("segment", [P, [0, function() {return P.Y()}]], {dash:2});
+
+
+txt = b.create('text', [2, 1, function() {
+    return "x = " + X.X().toFixed(4) + ", f(x) = " + P.Y().toFixed(4);
+}]);
+```
+
+
 ##### Example
 
 
@@ -436,8 +473,6 @@ $g(x) = (x-3)/(x+3)$ when $x \neq 2$. The function $g(x)$ is
 $g(2) = (2 - 3)/(2 + 3) = -0.2$ it would be made continuous, hence the
 term removable singularity.
 
-
-
 ## Numerical approaches to limits
 
 The investigation of $\lim_{x \rightarrow 0}(1 + x)^{1/x}$ by