Remove special \verb space handling now that space is in Typewriter-Regular (#1258)

* Remove special \verb space handling now that space is in Typewriter-Regular

* Fix screenshots

src/functions/verb.js

@@ -25,18 +25,8 @@ defineFunction({
         // \verb enters text mode and therefore is sized like \textstyle
         const newOptions = options.havingStyle(options.style.text());
         for (let i = 0; i < text.length; i++) {
-            if (text[i] === '\xA0') {  // spaces appear as nonbreaking space
-                // The space character isn't in the Typewriter-Regular font,
-                // so we implement it as a kern of the same size as a character.
-                // 0.525 is the width of a texttt character in LaTeX.
-                // It automatically gets scaled by the font size.
-                const rule = buildCommon.makeSpan(["mord", "rule"], [], newOptions);
-                rule.style.marginLeft = "0.525em";
-                body.push(rule);
-            } else {
-                body.push(buildCommon.makeSymbol(text[i], "Typewriter-Regular",
-                    group.mode, newOptions, ["mathtt"]));
-            }
+            body.push(buildCommon.makeSymbol(text[i], "Typewriter-Regular",
+                group.mode, newOptions, ["mord", "texttt"]));
         }
         buildCommon.tryCombineChars(body);
         return buildCommon.makeSpan(
@@ -46,7 +36,7 @@ defineFunction({
     mathmlBuilder(group, options) {
         const text = new mathMLTree.TextNode(buildCommon.makeVerb(group, options));
         const node = new mathMLTree.MathNode("mtext", [text]);
-        node.setAttribute("mathvariant", buildCommon.fontMap["mathtt"].variant);
+        node.setAttribute("mathvariant", "monospace");
         return node;
     },
 });