message: Add optimization for single escaped markup with no columns
diff: @@ -9,12 +9,36 @@ import {AnyMarkup, MarkupLinesAndWidth, readMarkup} from "@internal/markup";
  import {GridOutputFormat, UserGridOptions} from "./types";
  import Grid from "./Grid";
  import {ob1Get1} from "@internal/ob1";
  +import {splitChars, splitLines} from "@internal/string-utils";
  export function renderGrid(
  safe: AnyMarkup,
  opts: UserGridOptions = {},
  format: GridOutputFormat,
  ): MarkupLinesAndWidth {
  + // Optimization for rendering a single escaped string with no columns
  + if (
  + opts.columns === undefined &&
  + safe.type === "MARKUP" &&
  + safe.parts.length === 1 &&
  + typeof safe.parts[0] === "string"
  + ) {
  + let line = safe.parts[0];
  +
  + if (opts.convertTabs) {
  + // TODO make the tab width customizable in userConfig
  + line = line.replace(/\t/g, " ".repeat(2));
  + }
  +
  + const lines = splitLines(line);
  + const width = Math.max(...lines.map(line => splitChars(line).length));
  +
  + return {
  + width,
  + lines,
  + };
  + }
  +
  const input = readMarkup(safe);
  const grid = new Grid({
  ...opts,
  