<?xml version="1.0" encoding="utf-8"?> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Maximal size for a vertical arrow stretched by scaling</title> </head> <body> <table style="position: absolute;"> <tr> <td><div style="height: 200px; width: 5px; background: black"/></td> <td> <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mspace height="50px" depth="50px" width="5px" style="background: yellow" /> <mo style="color: blue;">⤋</mo> </mrow> </math> </td> </tr> </table> <table style="position: absolute;"> <tr> <td><div style="height: 200px; width: 5px; background: black"/></td> <td> <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mspace height="50px" depth="50px" width="5px" style="background: yellow" /> <mspace height="55px" depth="55px" width="50px" style="background: red;"/> </mrow> </math> </td> </tr> </table> </body> </html>