* In the output and in ginsh, lists are now delimited by { } braces, and
matrices are delimited by single [ ] brackets.
* simplify_indexed() renames dummy indices so, e.g., "a.i*a.i+a.j*a.j" gets
* In the output and in ginsh, lists are now delimited by { } braces, and
matrices are delimited by single [ ] brackets.
* simplify_indexed() renames dummy indices so, e.g., "a.i*a.i+a.j*a.j" gets