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doc: faq updates part one

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@ -191,37 +191,31 @@ if they enjoy it. Not every programmer
will, but we hope enough will find satisfaction in the approach it
offers to justify further development.
<h3 id="Is_Google_using_go_internally"> Is Google using Go
internally?</h3>
<h3 id="Is_Google_using_go_internally"> Is Google using Go internally?</h3>
<p> The Go project was conceived to make it easier to write the kind
of servers and other software Google uses internally, but the
implementation isn't quite mature enough yet for large-scale
production use. While we continue development we are also doing
experiments with the language as a candidate server environment. It's
getting there. For instance, the server behind <a
href="http://golang.org">http://golang.org</a> is a Go program; in
fact it's just the <a href="/cmd/godoc"><code>godoc</code></a> document server running in a
production configuration.
<p>Yes. There are now several Go programs deployed in
production inside Google. For instance, the server behind
<a href="http://golang.org">http://golang.org</a> is a Go program;
in fact it's just the <a href="/cmd/godoc"><code>godoc</code></a>
document server running in a production configuration.
<h3 id="Do_Go_programs_link_with_Cpp_programs">
Do Go programs link with C/C++ programs?</h3>
<p>
There are two Go compiler implementations, <code>6g</code> and friends, generically called
<code>gc</code>, and <code>gccgo</code>.
There are two Go compiler implementations, <code>6g</code> and friends,
generically called <code>gc</code>, and <code>gccgo</code>.
<code>Gc</code> uses a different calling convention and linker and can
therefore only be linked with C programs using the same convention.
There is such a C compiler but no C++ compiler. <code>Gccgo</code> is a
GCC front-end that can, with care, be linked with GCC-compiled
C or C++ programs. However, because Go is garbage-collected it will be
unwise to do so, at least naively.
There is such a C compiler but no C++ compiler.
<code>Gccgo</code> is a GCC front-end that can, with care, be linked with
GCC-compiled C or C++ programs.
<p>
There is a &ldquo;foreign function interface&rdquo; to allow safe calling of C-written
libraries from Go code. We expect to use SWIG to extend this capability
to C++ libraries. There is no safe way to call Go code from C or C++ yet.
The <a href="/cmd/cgo/">cgo</a> program provides the mechanism for a
&ldquo;foreign function interface&rdquo; to allow safe calling of
C libraries from Go code. SWIG extends this capability to C++ libraries.
<h3 id="Does_Go_support_Google_protocol_buffers">
Does Go support Google's protocol buffers?</h3>
@ -325,6 +319,9 @@ function's state being torn down after an error, which is sufficient
to handle catastrophe but requires no extra control structures and,
when used well, can result in clean error-handling code.
</p>
<p>
See the <a href="http://blog.golang.org/2010/08/defer-panic-and-recover.html">Defer, Panic, and Recover</a> article for details.
</p>
<h3 id="assertions">
@ -697,6 +694,10 @@ responsible for a particular piece of data.
Do not communicate by sharing memory. Instead, share memory by communicating.
</p>
<p>
See the <a href="/doc/codewalk/sharemem/">Share Memory By Communicating</a> code walk and its <a href="http://blog.golang.org/2010/07/share-memory-by-communicating.html">associated article</a> for a detailed discussion of this concept.
</p>
<h3 id="Why_no_multi_CPU">
Why doesn't my multi-goroutine program use multiple CPUs?</h3>
@ -885,6 +886,8 @@ That script finds the <code>Test</code> functions,
builds a test binary, and runs it.
</p>
<p>See the <a href="/doc/code.html">How to Write Go Code</a> document for more details.</p>
<h2 id="Implementation">Implementation</h2>
@ -1013,6 +1016,10 @@ is not just the expression grammar; keywords such as <code>func</code>
and <code>chan</code> keep things clear.
</p>
<p>
See the <a href="http://blog.golang.org/2010/07/gos-declaration-syntax.html">Go's Declaration Syntax</a> article for more details.
</p>
<h3 id="no_pointer_arithmetic">
Why is there no pointer arithmetic?</h3>
<p>