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2007-12-10  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* docs/html/21_strings/howto.html: Add links to referenced articles.

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2007-12-10 Jonathan Wakely <jwakely.gcc@gmail.com>
* docs/html/21_strings/howto.html: Add links to referenced articles.
2007-12-10 Jonathan Wakely <jwakely.gcc@gmail.com>
* docs/html/17_intro/backwards_compatibility.html: Fix markup.

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libstdc++-v3/docs/html/21_strings/howto.html
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<hr />
<h2><a name="2">A case-insensitive string class</a></h2>
<p>The well-known-and-if-it-isn't-well-known-it-ought-to-be
<a href="http://www.gotw.ca/gotw/index.htm">Guru of the Week</a>
<a href="http://www.gotw.ca/gotw/">Guru of the Week</a>
discussions held on Usenet covered this topic in January of 1998.
Briefly, the challenge was, &quot;write a 'ci_string' class which
is identical to the standard 'string' class, but is
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assert( strcmp( s.c_str(), "AbCdE" ) == 0 );
assert( strcmp( s.c_str(), "abcde" ) != 0 ); </pre>
<p>The solution is surprisingly easy. The original answer pages
on the GotW website were removed into cold storage, in
preparation for
<a href="http://cseng.aw.com/bookpage.taf?ISBN=0-201-61562-2">a
published book of GotW notes</a>. Before being
put on the web, of course, it was posted on Usenet, and that
posting containing the answer is <a href="gotw29a.txt">available
here</a>.
<p>The solution is surprisingly easy. The <a href="gotw29a.txt">original
answer</a> was posted on Usenet, and a revised version appears in
Herb Sutter's book <em>Exceptional C++</em> and on his website as
<a href="http://www.gotw.ca/gotw/029.htm">GotW 29</a>.
</p>
<p>See? Told you it was easy!</p>
<p><strong>Added June 2000:</strong> The May issue of <u>C++ Report</u>
contains
a fascinating article by Matt Austern (yes, <em>the</em> Matt Austern)
<p><strong>Added June 2000:</strong> The May 2000 issue of <u>C++ Report</u>
contains a fascinating <a href="http://lafstern.org/matt/col2_new.pdf">
article</a> by Matt Austern (yes, <em>the</em> Matt Austern)
on why case-insensitive comparisons are not as easy as they seem,
and why creating a class is the <em>wrong</em> way to go about it in
production code. (The GotW answer mentions one of the principle