* README.EXT, README.EXT.ja: add new features.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9259 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 2 deletions

diff --git a/README.EXT b/README.EXT
index 5f2427747f..4cfe80bd82 100644
--- a/README.EXT
+++ b/README.EXT
@@ -295,6 +295,15 @@ To define alias to the method,
 
   void rb_define_alias(VALUE module, const char* new, const char* old);
 
+To define and undefine the `allocate' class method,
+
+  void rb_define_alloc_func(VALUE klass, VALUE (*func)(VALUE klass));
+  void rb_undef_alloc_func(VALUE klass);
+
+func have to take the klass as the argument and return a newly
+allocated instance.  This instance should be empty as possible,
+without any expensive (including external) resources.
+
 2.1.3 Constant definition
 
 We have 2 functions to define constants:
@@ -612,8 +621,14 @@ various conditions.
 
 The value of the variables below will affect the Makefile.
 
-  $CFLAGS: included in CFLAGS make variable (such as -I)
+  $CFLAGS: included in CFLAGS make variable (such as -O)
+  $CPPFLAGS: included in CPPFLAGS make variable (such as -I, -D)
   $LDFLAGS: included in LDFLAGS make variable (such as -L)
+  $objs: list of object file names
+
+In normal, object files list is automatically generated by searching
+source files, but you need directs them explicitly if any sources will
+be generated while building.
 
 If a compilation condition is not fulfilled, you should not call
 ``create_makefile''.  The Makefile will not generated, compilation will
@@ -771,7 +786,9 @@ NUM2INT(value)
 INT2NUM(i)
 NUM2DBL(value)
 rb_float_new(f)
-STR2CSTR(value)
+StringValue(value)
+StringValuePtr(value)
+StringValueCStr(value)
 rb_str_new2(s)
 
 ** defining class/module