function nearPoints(a, b) {
          return Math.abs(a.x - b.x) < TOLERANCE && Math.abs(a.y - b.y) < TOLERANCE;
        }
@param {string} text - Content of `<text>` element.
@param {Document} document - Document that contains `<svg>`.
@param {SVGSVGElement} svg - Parent `<svg>` element.
@param {string} id - ID for `href`.
@param {boolean} [stroke] - Setup for `stroke`.
@returns {Object} {elmPosition, styleText, styleFill, styleStroke, styleShow, elmsAppend}