Update for 2.2.0

GNUmakefile

@@ -2,7 +2,7 @@
 
 # After changing this, run `make update_version` to update various sources
 # which hard-code it.
-SNOWBALL_VERSION = 2.1.0
+SNOWBALL_VERSION = 2.2.0
 
 ifeq ($(OS),Windows_NT)
 EXEEXT = .exe

NEWS

@@ -1,25 +1,10 @@
-up to: f89c3b9d639b9543222f69b0e24742be1dcfe392
-
-Snowball 2.2.0 (2021-10-??)
+Snowball 2.2.0 (2021-11-10)
 ===========================
 
-Ada
----
-
-* Avoid generating invalid Ada code for some uses of negative constants and
- unary minus, which resulted in "parentheses required for unary minus" errors
- from gnat.
-
-* Generate valid code for Snowball's `minint` and `maxint` constants.
-
-C/C++
------
-
-C#
---
+New Code Generators
+-------------------
 
-Java
-----
+* Add Ada generator from Stephane Carrez (#135).
 
 Javascript
 ----------
@@ -58,27 +43,13 @@ Code Quality Improvements
 * C#: An `among` without functions is now generated as `static` and groupings
  are now generated as constant. Patches from James Turner in #146 and #147.
 
-New Code Generators
--------------------
-
-New Snowball Language Features
-------------------------------
-
 Code generation improvements
 ----------------------------
 
 * General:
 
-* C/C++:
-
-* Java:
-
-* Pascal:
-
-* Python:
-
-New stemming algorithms
------------------------
+ + Constant numeric subexpressions and constant numeric tests are now
+ evaluated at Snowball compile time.
 
 Behavioural changes to existing algorithms
 ------------------------------------------
@@ -110,15 +81,21 @@ Optimisations to existing algorithms
 
 * yiddish: Make use of `among` more.
 
-Code clarity improvements to existing algorithms
-------------------------------------------------
-
 Compiler
 --------
 
-* Replace single entry command list with its contents in internal syntax tree.
- This puts things in a more canonical form, which makes subsequent
- optimisations easier.
+* Fix handling of `len` and `lenof` being declared as names.
+
+ For compatibility with programs written for older Snowball versions
+ len and lenof stop being tokens if declared as names. However this
+ code didn't work correctly if the tokeniser's name buffer needed to
+ be enlarged to hold the token name (i.e. 3 or 5 elements respectively).
+
+* Report a clearer error if `=` is used instead of `==` in an integer test.
+
+* Replace a single entry command list with its contents in the internal syntax
+ tree. This puts things in a more canonical form, which helps subsequent
+ optimisations.
 
 Build system
 ------------
@@ -162,7 +139,7 @@ Testsuite
  memory errors. Also drop the -p option, which isn't useful here and
  complicates the code.
 
-* rust: Turn on optimisation in makefile rather than travis-ci config. This
+* rust: Turn on optimisation in the makefile rather than the CI config. This
  makes the tests run in about 1/5 of the time and there's really no reason to
  be thinning the testdata for rust.
 
@@ -204,11 +181,6 @@ Code Quality Improvements
 * Only use spaces for indentation in javascript code. Change proposed by Emily
  Marigold Klassen in #123, and seems to be the modern Javascript norm.
 
-New Code Generators
--------------------
-
-* Add Ada generator from Stephane Carrez (#135).
-
 New Snowball Language Features
 ------------------------------
 
@@ -352,7 +324,7 @@ Documentation
 -------------
 
 * Document a C99 compiler as a requirement for building the snowball compiler
- (but the C code it generates should still work with any ISO C compiler.)
+ (but the C code it generates should still work with any ISO C compiler).
 
  A few declarations mixed with code crept in some time ago (which nobody's
  complained about), so this is really just formally documenting a requirement

compiler/header.h

@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-#define SNOWBALL_VERSION "2.1.0"
+#define SNOWBALL_VERSION "2.2.0"
 
 typedef unsigned char byte;
 typedef unsigned short symbol;

csharp/Snowball/AssemblyInfo.cs

@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion(/*SNOWBALL_VERSION*/"2.1.0.0")]
-[assembly: AssemblyFileVersion(/*SNOWBALL_VERSION*/"2.1.0.0")]
+[assembly: AssemblyVersion(/*SNOWBALL_VERSION*/"2.2.0.0")]
+[assembly: AssemblyFileVersion(/*SNOWBALL_VERSION*/"2.2.0.0")]

python/setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup
 import re
 
-SNOWBALL_VERSION = '2.1.0'
+SNOWBALL_VERSION = '2.2.0'
 
 n_stemmers = 0