size is given in pixels, or ``25`` else.
- Convert spaces in the source to ``&160;``, which are non-breaking
+ Convert spaces in the source to ``&160;``, which are non-breaking
spaces. SVG provides the ``xml:space`` attribute to control how
whitespace inside tags is handled, in theory, the ``preserve`` value
could be used to keep all whitespace as-is. However, many current SVG