From 012586fe01927af9e0f3fc76730705ba2e566985 Mon Sep 17 00:00:00 2001
From: Harry Moffat <hkmoffa@sandia.gov>
Date: Mon, 12 Jan 2009 19:39:14 +0000
Subject: [PATCH] Doxygen update

---
 Cantera/src/base/stringUtils.cpp |  2 +-
 Cantera/src/base/stringUtils.h   | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Cantera/src/base/stringUtils.cpp b/Cantera/src/base/stringUtils.cpp
index 275f92bd9..48a990c17 100755
--- a/Cantera/src/base/stringUtils.cpp
+++ b/Cantera/src/base/stringUtils.cpp
@@ -138,7 +138,7 @@ namespace Cantera {
   /** 
    * Strip non-printing characters.
    */
-  std::string stripnonprint(std::string s) {
+  std::string stripnonprint(const std::string &s) {
     int i;
     int n = static_cast<int>(s.size());
     std::string ss = "";
diff --git a/Cantera/src/base/stringUtils.h b/Cantera/src/base/stringUtils.h
index a8c61f330..374c89a4b 100755
--- a/Cantera/src/base/stringUtils.h
+++ b/Cantera/src/base/stringUtils.h
@@ -62,8 +62,22 @@ namespace Cantera {
    */
   std::string stripws(const std::string &s);
 
-  std::string stripnonprint(std::string s);
+  //! Strip non-printing characters wherever they are
+  /*!
+   *   @param s        Input string
+   *   @return         Returns a copy of the string,
+   *                   stripped of all non-printing characters.
+   */
+  std::string stripnonprint(const std::string &s);
+
+  //! Cast a copy of a string to lower case
+  /*!
+   *   @param s        Input string
+   *   @return         Returns a copy of the string,
+   *                   with all characters lowercase.
+   */
   std::string lowercase(const std::string &s);
+
   void parseCompString(const std::string ss, compositionMap& x);
   void split(const std::string ss, std::vector<std::string>& w);
   int fillArrayFromString(const std::string& str, doublereal* a, char delim = ' ');