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// @flow
import defineFunction, {ordargument} from "../defineFunction";
import buildCommon from "../buildCommon";
import mathMLTree from "../mathMLTree";
import * as html from "../buildHTML";
import * as mml from "../buildMathML";
import {binrelClass} from "./mclass";
import type {ParseNode} from "../parseNode";
// \pmb is a simulation of bold font.
// The version of \pmb in ambsy.sty works by typesetting three copies
// with small offsets. We use CSS text-shadow.
// It's a hack. Not as good as a real bold font. Better than nothing.
defineFunction({
type: "pmb",
names: ["\\pmb"],
props: {
numArgs: 1,
allowedInText: true,
},
handler({parser}, args) {
return {
type: "pmb",
mode: parser.mode,
mclass: binrelClass(args[0]),
body: ordargument(args[0]),
};
},
htmlBuilder(group: ParseNode<"pmb">, options) {
const elements = html.buildExpression(group.body, options, true);
const node = buildCommon.makeSpan([group.mclass], elements, options);
node.style.textShadow = "0.02em 0.01em 0.04px";
return node;
},
mathmlBuilder(group: ParseNode<"pmb">, style) {
const inner = mml.buildExpression(group.body, style);
// Wrap with an <mstyle> element.
const node = new mathMLTree.MathNode("mstyle", inner);
node.setAttribute("style", "text-shadow: 0.02em 0.01em 0.04px");
return node;
},
});
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