Changed variable description from x to v

The description of the function "exp" erroneously referred to "x" rather than "v". Rectified.

doc/api/a00242.html

@@ -89,7 +89,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 Functions</h2></td></tr>
 <tr class="memitem:ga071566cadc7505455e611f2a0353f4d4"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
 <tr class="memitem:ga071566cadc7505455e611f2a0353f4d4"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00242.html#ga071566cadc7505455e611f2a0353f4d4">exp</a> (vec&lt; L, T, Q &gt; const &amp;v)</td></tr>
-<tr class="memdesc:ga071566cadc7505455e611f2a0353f4d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the natural exponentiation of x, i.e., e^x.  <a href="a00242.html#ga071566cadc7505455e611f2a0353f4d4">More...</a><br /></td></tr>
+<tr class="memdesc:ga071566cadc7505455e611f2a0353f4d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the natural exponentiation of v, i.e., e^v.  <a href="a00242.html#ga071566cadc7505455e611f2a0353f4d4">More...</a><br /></td></tr>
 <tr class="separator:ga071566cadc7505455e611f2a0353f4d4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:gaff17ace6b579a03bf223ed4d1ed2cd16"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
 <tr class="memitem:gaff17ace6b579a03bf223ed4d1ed2cd16"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00242.html#gaff17ace6b579a03bf223ed4d1ed2cd16">exp2</a> (vec&lt; L, T, Q &gt; const &amp;v)</td></tr>