doc/go1.11: add some links to text/scanner, remove parens

Change-Id: I30d2b4b94f26300f2cf7b4ecd328a4875d69db51
Reviewed-on: https://go-review.googlesource.com/124777Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

doc/go1.11.html

@@ -119,7 +119,7 @@ Do not send CLs removing the interior tags from such phrases.
 
 <h3 id="riscv">RISC-V GOARCH values reserved</h3>
 <p><!-- CL 106256 -->
-  The main Go compiler does not yet support the RISC-V architecture
+  The main Go compiler does not yet support the RISC-V architecture <!-- is gonna change everything -->
   but we've reserved the <code>GOARCH</code> values
   "<code>riscv</code>" and "<code>riscv64</code>", as used by Gccgo,
   which does support RISC-V. This means that Go files
@@ -761,7 +761,9 @@ for k := range m {
 <dl id="text/scanner"><dt><a href="/pkg/text/scanner/">text/scanner</a></dt>
   <dd>
     <p><!-- CL 112037 -->
-      <code>Scan()</code> now returns a <code>RawString</code> token instead of <code>String</code>
+      The <a href="/pkg/text/scanner/#Scanner.Scan"><code>Scanner.Scan</code></a> method now returns
+      the <a href="/pkg/text/scanner/#RawString"><code>RawString</code></a> token
+      instead of <a href="/pkg/text/scanner/#String"><code>String</code></a>
       for raw string literals.
     </p>