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// @flow
import {defineFunctionBuilders} from "../defineFunction";
import buildCommon from "../buildCommon";
import mathMLTree from "../mathMLTree";
import * as mml from "../buildMathML";
// Operator ParseNodes created in Parser.js from symbol Groups in src/symbols.js.
defineFunctionBuilders({
type: "atom",
htmlBuilder(group, options) {
return buildCommon.mathsym(
group.text, group.mode, options, ["m" + group.family]);
},
mathmlBuilder(group, options) {
const node = new mathMLTree.MathNode(
"mo", [mml.makeText(group.text, group.mode)]);
if (group.family === "bin") {
const variant = mml.getVariant(group, options);
if (variant === "bold-italic") {
node.setAttribute("mathvariant", variant);
}
} else if (group.family === "punct") {
node.setAttribute("separator", "true");
} else if (group.family === "open" || group.family === "close") {
// Delims built here should not stretch vertically.
// See delimsizing.js for stretchy delims.
node.setAttribute("stretchy", "false");
}
return node;
},
});
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