This parameter has been passed always by the erp5.util implementation. Introduce
  this parameter makes the API compatible for future implementation with support
  to scalability tests even if the current code is not ready yet.

A simpler way to achieve the same fix.

Also, reuse existing local.

Writing 0 bytes or truncating past file end increases file length.

This reverts commit 6a8987fb.

The assertion was not correct when account_type/expense & account_type/income
have child categories

This reverts commit 8e3de227.

Activate it on the frontpage and list view.

Previous page's service can generate errors (in case of listbox for example).
No need to report the error to the user, as he already switched to a new page.

Give informations about total number of results per page.

listbox proxy field id changed

Reverts 037a7ed3
More details, see 574d45a6

This should prevent the browser to handle form submit (and so, prevent changing browser URL).

Change the icon to an exclamation mark in case of error.

It is not necessary to say that a cleaner solution is needed...