[wwwdocs,RX,390] gcc-4.9/changes.html editorial

[Gerald Pfeifer]

Consistently use command-line option with a dash (cf. 
https://gcc.gnu.org/codingconventions.html).

Improve grammar in s390 entry.

Improve markup of RX entry (embedding command-line options in 
<code>...</code>).


Applied.

Gerald

Index: gcc-4.9/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.9/changes.html,v
retrieving revision 1.74
diff -u -r1.74 changes.html
--- gcc-4.9/changes.html	30 Jun 2014 16:49:34 -0000	1.74
+++ gcc-4.9/changes.html	6 Jul 2014 19:23:26 -0000
@@ -485,7 +485,7 @@
        and <code>-march=armv8-a+crypto</code> options.
      </li>
      <li> Initial support for ILP32 has now been added to the
-       compiler. This is now available through the command line option
+       compiler. This is now available through the command-line option
        <code>-mabi=ilp32</code>. Support for ILP32 is
        considered experimental as the ABI specification is still beta.
      </li>
@@ -531,8 +531,8 @@
        and <code>mfpu=crypto-neon-fp-armv8</code> options.
      </li>
      <li> LRA is now on by default for the ARM target. This can be turned off
-       using the <code>-mno-lra</code> option. This option is purely
-       transitionary command line option and will be removed in a future
+       using the <code>-mno-lra</code> option. This option is a purely
+       transitionary command-line option and will be removed in a future
        release. We are interested in any bug reports regarding functional and
        performance regressions with LRA.
      </li>
@@ -671,10 +671,9 @@
       hotpatching.  A certain amount of bytes is reserved before the
       function entry label plus a NOP is inserted at its very
       beginning to implement a backward jump when applying a patch.
-      The feature can either be enabled via command line
-      option <code>-mhotpatch</code> for a compilation unit or can be
-      enabled per function using the <code>hotpatch</code>
-      attribute.</li>
+      The feature can either be enabled per compilation unit via the
+      command-line option <code>-mhotpatch</code> or per function using
+      the <code>hotpatch</code> attribute.</li>
     <li>The shrink wrap optimization is now supported on S/390 and
       enabled by default.</li>
     <li>A major rework of the routines to determine which registers
@@ -687,7 +686,8 @@
 <h3 id="rx">RX</h3>
   <ul>
     <li> The port now allows to specify the RX100, RX200, and RX600 processors
-      with the command line options -mcpu=rx100, -mcpu=rx200 and -mcpu=rx600.
+      with the command-line options <code>-mcpu=rx100</code>,
+      <code>-mcpu=rx200</code> and <code>-mcpu=rx600</code>.
     </li>
   </ul>