# README

### Version9.0.0-RC3

### Charles Loomis

Centre National de la Recherche Scientifique (CNRS)

Abstract

This document describes important changes in the pan configuration language compiler between the v9 series and previous releases.

## 1. License

Licensed under the Apache License, Version 2.0 (the "License"). You may obtain a copy of the License at `http://www.apache.org/licenses/LICENSE-2.0`. Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

## 2. Migration Issues

### 2.1. Deprecated Features

All of the deprecated features in the v8 series of the compilers has been removed from the v9 series. Ensure that your configuration compiles with the deprecation warnings activated with the v8 compiler before migrating to the v9 series.

## 3. ChangeLog

### 3.1. Version 9.0.0-RC1

This release contains the following changes:

- (SF Bug #3171788) Improve error message for format() function when there is a mismatch between given format string and arguments.

- (SF RFE #3386906) Support for \b (backspace) and \f (form feed) escape sequences in double-quoted strings.

- (SF Bug #3186921) Dependency calculation in ant task does not work correctly for namespaced object templates.