index.html: Correct link to libg++ information.

2003-02-01  Phil Edwards  <pme@gcc.gnu.org>

	* docs/html/faq/index.html:  Correct link to libg++ information.
	* docs/html/faq/index.txt:  Regenerated.

From-SVN: r62259

libstdc++-v3/ChangeLog

@@ -1,3 +1,8 @@
+2003-02-01  Phil Edwards  <pme@gcc.gnu.org>
+
+	* docs/html/faq/index.html:  Correct link to libg++ information.
+	* docs/html/faq/index.txt:  Regenerated.
+
 2003-02-01  Paolo Carlini  <pcarlini@unitus.it>
             Benjamin Kosnik  <bkoz@redhat.com>
 

libstdc++-v3/docs/html/faq/index.html

@@ -256,7 +256,7 @@ which is no longer available, thanks deja...-->
          stuff" classes will probably migrate there.)
       </p>
       <p>For the bold and/or desperate, the
-         <a href="http://gcc.gnu.org/fom_serv/cache/33.html">GCC FAQ</a>
+         <a href="http://gcc.gnu.org/extensions.html">GCC extensions page</a>
          describes where to find the last libg++ source.
       </p>
 
@@ -504,8 +504,8 @@ which is no longer available, thanks deja...-->
          platforms.  The assembly code accidentally used opcodes that are
          only available on the i486 and later.  So if you configured GCC
          to target, for example, i386-linux, but actually used the programs
-	 on an i686, then you would encounter no problems.  Only when
+         on an i686, then you would encounter no problems.  Only when
-	 actually running the code on a i386 will the problem appear.  
+         actually running the code on a i386 will the problem appear.  
       </p>
       <p>This is fixed in 3.2.2.
       </p>

libstdc++-v3/docs/html/faq/index.txt

@@ -177,8 +177,8 @@
    and happened to be started by members of the Standards Committee.
    Certain "useful stuff" classes will probably migrate there.)
 
-   For the bold and/or desperate, the [61]GCC FAQ describes where to find
+   For the bold and/or desperate, the [61]GCC extensions page describes
-   the last libg++ source.
+   where to find the last libg++ source.
      _________________________________________________________________
 
 1.8 What if I have more questions?
@@ -714,6 +714,31 @@ http://clisp.cons.org/~haible/gccinclude-glibc-2.2-compat.diff
    headers whose directories are not searched directly, e.g.,
    <sys/stat.h>, <X11/Xlib.h>.
 
+   The extensions are no longer in the global or std namespaces, instead
+   they are declared in the __gnu_cxx namespace. For maximum portability,
+   consider defining a namespace alias to use to talk about extensions,
+   e.g.:
+      #ifdef __GNUC__
+      #if __GNUC__ < 3
+        #include <hash_map.h>
+        namespace Sgi { using ::hash_map; }; // inherit globals
+      #else
+        #include <ext/hash_map>
+        #if __GNUC_MINOR__ == 0
+          namespace Sgi = std;               // GCC 3.0
+        #else
+          namespace Sgi = ::__gnu_cxx;       // GCC 3.1 and later
+        #endif
+      #endif
+      #else      // ...  there are other compilers, right?
+        namespace Sgi = std;
+      #endif
+
+      Sgi::hash_map<int,int> my_map;
+
+   This is a bit cleaner than defining typedefs for all the
+   instantiations you might need.
+
    Extensions to the library have [94]their own page.
      _________________________________________________________________
 
@@ -895,7 +920,7 @@ References
   58. http://gcc.gnu.org/libstdc++/
   59. ../17_intro/contribute.html
   60. http://www.boost.org/
-  61. http://gcc.gnu.org/fom_serv/cache/33.html
+  61. http://gcc.gnu.org/extensions.html
   62. mailto:libstdc++@gcc.gnu.org
   63. mailto:pme@gcc.gnu.org
   64. mailto:gdr@gcc.gnu.org