1 | initial version |

Please use

```
omega = R3.diff_form(1, name='omega', latex_name=r'\omega')
```

to get a correct LaTeX display in Sage 9.1 (notice `name='omega'`

instead of a mere `'omega'`

).

2 | No.2 Revision |

Please use

```
omega = R3.diff_form(1, name='omega', latex_name=r'\omega')
```

to get a correct LaTeX display in Sage 9.1 (notice `name='omega'`

instead of a mere `'omega'`

).

Actually, the change that occured between Sage 8.1 and Sage >= 8.8, is that the unnamed arguments are now assumed to be some components to initialize the diff form. For instance, you can now declare and initialize omega in a single line:

```
omega = R3.diff_form(1, (y, z, x), name='omega', latex_name=r'\omega')
omega.display()
```

$$\omega = y \mathrm{d} x + z \mathrm{d} y + x \mathrm{d} z$$

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