Add to rule

to ignore a html file for debug
Revert "Add to rule"

This reverts commit b7e35c4486e778d6caabbe87e5cf53ca8c25b520.
Revert "Revert "Add to rule""

This reverts commit c73ae5c03a2cb3a8d7d77d9c1cc0c73831f1f75f.
Change a specification and simplified a code

Allowed write() be able to be called with either numerical values or an
array containing them.
Removed error() and codes calling it.