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d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<title>Les expressions dans le serveur HTTP Apache - Serveur Apache HTTP</title>
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d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="/faq/">FAQ</a> | <a href="/glossary.html">Glossaire</a> | <a href="/sitemap.html">Plan du site</a></p>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<p class="apache">Serveur Apache HTTP Version 2.3</p>
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d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<div class="up"><a href="./"><img title="<-" alt="<-" src="/images/left.gif" /></a></div>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">Serveur HTTP</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="./">Version 2.3</a></div><div id="page-content"><div id="preamble"><h1>Les expressions dans le serveur HTTP Apache</h1>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<p><span>Langues Disponibles: </span><a href="/en/expr.html" hreflang="en" rel="alternate" title="English"> en </a> |
02a2037f53b925617df45eb62ca743d777672265Klaus Luettich<a href="/fr/expr.html" title="Fran�ais"> fr </a></p>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <p>Historiquement, il existe de nombreuses variantes dans la syntaxe
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder des expressions permettant d'exprimer une condition dans les
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder diff�rents modules du serveur HTTP Apache. � ce titre, des travaux sont
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder en cours pour n'utiliser qu'une seule variante nomm�e
b7b2eb9d574f5ed3ac3e9e1d7a5f168ed78a0604Till Mossakowski <em>ap_expr</em>, pour toutes les directives de configuration. Ce
0678d323bee844db79af13113ae252546629a594Christian Maeder document d�crit l'interpr�teur d'expressions <em>ap_expr</em>.
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <p>Le type d'expression <em>ap_expr</em> est appel� � remplacer la
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder plupart des autres types d'expressions dans HTTPD. Par exemple, la
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder directive obsol�te <code class="directive"><a href="/mod/mod_ssl.html#sslrequire">SSLRequire</a></code> peut �tre remplac�e par la
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder directive <a href="mod/mod_authz_core.html#reqexpr">Require
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#grammar">Syntaxe en Forme de Backus-Naur</a></li>
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder<li><img alt="" src="/images/down.gif" /> <a href="#vars">Variables</a></li>
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder<li><img alt="" src="/images/down.gif" /> <a href="#binop">Op�rateurs binaires</a></li>
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder<li><img alt="" src="/images/down.gif" /> <a href="#unnop">Op�rateurs unaires</a></li>
7b27b67b1c8516d7ccf1610a17fec93662d6a93fChristian Maeder<li><img alt="" src="/images/down.gif" /> <a href="#functions">Fonctions</a></li>
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder<li><img alt="" src="/images/down.gif" /> <a href="#other">Autres</a></li>
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder</ul><h3>Voir aussi</h3><ul class="seealso"><li><code class="directive"><a href="/mod/core.html#if">If</a></code></li><li><code class="directive"><a href="/mod/mod_rewrite.html#rewritecond">RewriteCond</a></code></li><li><code class="directive"><a href="/mod/mod_setenvif.html#setenvifexpr">SetEnvIfExpr</a></code></li><li><code class="directive"><a href="/mod/mod_filter.html#filterprovider">FilterProvider</a></code></li><li><a href="mod/mod_authz_core.html#reqexpr">Require expr</a></li><li><code class="directive"><a href="/mod/mod_ssl.html#sslrequire">SSLRequire</a></code></li><li><code class="module"><a href="/mod/mod_include.html">mod_include</a></code></li></ul></div>
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder<h2><a name="grammar" id="grammar">Syntaxe en Forme de Backus-Naur</a></h2>
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder <p>La <a href="http://fr.wikipedia.org/wiki/Forme_de_Backus-Naur">Forme de Backus-Naur</a>
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder (souvent abr�g�e en BNF, de l'anglais Backus-Naur Form) est une notation permettant de d�crire
a255351561838b3743d03c1629d335cfb8b83804Christian Maeder les r�gles syntaxiques des langages de programmation.
a255351561838b3743d03c1629d335cfb8b83804Christian Maederexpr ::= "<strong>true</strong>" | "<strong>false</strong>"
02a2037f53b925617df45eb62ca743d777672265Klaus Luettich | "<strong>(</strong>" expr "<strong>)</strong>"
02a2037f53b925617df45eb62ca743d777672265Klaus Luettichcomp ::= stringcomp
02a2037f53b925617df45eb62ca743d777672265Klaus Luettich | integercomp
02a2037f53b925617df45eb62ca743d777672265Klaus Luettich | unaryop word
5908cc06d7a3f4dd46d2d7c7fe0fad43b6cd921fChristian Maeder | word binaryop word
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder | word "<strong>in</strong>" "<strong>{</strong>" wordlist "<strong>}</strong>"
a255351561838b3743d03c1629d335cfb8b83804Christian Maederstringcomp ::= word "<strong>==</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maederintegercomp ::= word "<strong>-eq</strong>" word | word "<strong>eq</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | word "<strong>-ne</strong>" word | word "<strong>ne</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | word "<strong>-lt</strong>" word | word "<strong>lt</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | word "<strong>-le</strong>" word | word "<strong>le</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | word "<strong>-gt</strong>" word | word "<strong>gt</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | word "<strong>-ge</strong>" word | word "<strong>ge</strong>" word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maederwordlist ::= word
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | "<strong>'</strong>" string "<strong>'</strong>"
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder | "<strong>"</strong>" string "<strong>"</strong>"
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maederstring ::= stringpart
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder | string stringpart
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maederstringpart ::= cstring
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maedercstring ::= ...
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maederdigit ::= [0-9]+
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maedervariable ::= "<strong>%{</strong>" varname "<strong>}</strong>"
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder | "<strong>%{</strong>" funcname "<strong>:</strong>" funcargs "<strong>}</strong>"
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maederfunction ::= funcname "<strong>(</strong>" word "<strong>)</strong>"
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maederlistfunction ::= listfuncname "<strong>(</strong>" word "<strong>)</strong>"
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder<h2><a name="vars" id="vars">Variables</a></h2>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <p>L'interpr�teur d'expressions fournit plusieurs variables de la
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder forme <code>%{HTTP_HOST}</code>. Notez que la valeur d'une variable
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder peut d�pendre de la phase du traitement de la requ�te au cours de
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder laquelle elle est �valu�e. Par exemple, une expression utilis�e dans
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder une directive <code class="directive"><If ></code> sera �valu�e avant
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder la phase d'authentification. Par cons�quent, la variable
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <code>%{REMOTE_USER}</code> ne sera pas encore d�finie � ce stade.</p>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <p>Les variables suivantes contiennent la valeur de l'en-t�te de
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder requ�te HTTP correspondant. La <a href="#functions">fonction</a>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <code>req</code> permet d'extraire les valeurs des autres en-t�tes.</p>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <table class="bordered"><tr class="header"><th>Nom</th></tr>
91f4f0335ac32768d819e202263f713aef5d7fe6Christian Maeder<tr class="odd"><td><code>HTTP_FORWARDED</code></td></tr>
36fcac4cf0f6a1f8a0fee696ac7f4b91d769843cChristian Maeder<tr class="odd"><td><code>HTTP_PROXY_CONNECTION</code></td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>HTTP_USER_AGENT</code></td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <table class="bordered"><tr class="header"><th>Nom</th><th>Description</th></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La m�thode HTTP de la requ�te entrante (par exemple
36fcac4cf0f6a1f8a0fee696ac7f4b91d769843cChristian Maeder<tr class="odd"><td><code>REQUEST_SCHEME</code></td>
36fcac4cf0f6a1f8a0fee696ac7f4b91d769843cChristian Maeder <td>Le protocole associ� � l'URI de la requ�te</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>DOCUMENT_URI</code></td>
36fcac4cf0f6a1f8a0fee696ac7f4b91d769843cChristian Maeder <td>Le chemin complet dans le syst�me de fichiers local du
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder fichier ou du script correspondant � la requ�te, si le serveur
0678d323bee844db79af13113ae252546629a594Christian Maeder l'a d�j� d�termin� � l'instant o� <code>REQUEST_FILENAME</code>
0678d323bee844db79af13113ae252546629a594Christian Maeder est r�f�renc�e. Dans le cas contraire, comme dans un
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder contexte de serveur virtuel, m�me valeur que <code>REQUEST_URI</code> </td></tr>
b7b2eb9d574f5ed3ac3e9e1d7a5f168ed78a0604Till Mossakowski<tr class="odd"><td><code>SCRIPT_FILENAME</code></td>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <td>Identique � <code>REQUEST_FILENAME</code></td></tr>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <td>La date et heure de derni�re modification du fichier au
0678d323bee844db79af13113ae252546629a594Christian Maeder format <code>20101231235959</code>, si elle est d�j� connue du
0678d323bee844db79af13113ae252546629a594Christian Maeder serveur au moment o� <code>LAST_MODIFIED</code> est r�f�renc�.
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>SCRIPT_USER</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Le nom d'utilisateur du propri�taire du script.</td></tr>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <td>Le nom du groupe auquel appartient le script.</td></tr>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<tr class="odd"><td><code>PATH_INFO</code></td>
b7b2eb9d574f5ed3ac3e9e1d7a5f168ed78a0604Till Mossakowski <td>L'information relative au nom de chemin situ�e en fin, voir
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder la directive <code class="directive"><a href="/mod/core.html#acceptpathinfo">AcceptPathInfo</a></code></td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La cha�ne de param�tres de la requ�te courante</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>IS_SUBREQ</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>"<code>true</code>" si la requ�te courante est une
0678d323bee844db79af13113ae252546629a594Christian Maeder sous-requ�te, "<code>false</code>" dans le cas contraire</td></tr>
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder <td>La requ�te compl�te (par exemple "<code>GET /index.html
d183a4514d8a5b6a5d48d15a8dff52d0c96691eaChristian Maeder<tr class="odd"><td><code>REMOTE_ADDR</code></td>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <td>L'adresse IP de l'h�te distant</td></tr>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <td>Le nom d'h�te de l'h�te distant</td></tr>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder<tr class="odd"><td><code>REMOTE_USER</code></td>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <td>Le nom de l'utilisateur authentifi� (s'il existe)</td></tr>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <td>Le nom de l'utilisateur d�fini par <code class="module"><a href="/mod/mod_ident.html">mod_ident</a></code></td></tr>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder<tr class="odd"><td><code>SERVER_NAME</code></td>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <td>La valeur de la directive <code class="directive"><a href="/mod/core.html#servername">ServerName</a></code> du serveur virtuel courant</td></tr>
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder <td>Le port associ� au serveur virtuel courant ; voir la
0e2ae85e2453466d03c1fc5884a3d693235bb9d9Christian Maeder directive <code class="directive"><a href="/mod/core.html#servername">ServerName</a></code></td></tr>
3ef9708a35cddb7ba66458ad4a065de549ce7db6Till Mossakowski<tr class="odd"><td><code>SERVER_ADMIN</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La valeur de la directive <code class="directive"><a href="/mod/core.html#serveradmin">ServerAdmin</a></code> du serveur virtuel courant</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Le protocole utilis� par la requ�te</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>DOCUMENT_ROOT</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La valeur de la directive <code class="directive"><a href="/mod/core.html#documentroot">DocumentRoot</a></code> du serveur virtuel
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La valeur de la directive <code class="directive"><a href="/mod/mod_authn_core.html#authtype">AuthType</a></code> (par exemple
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>CONTENT_TYPE</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Le type de contenu de la r�ponse</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Le nom du <a href="handler.html">gestionnaire</a> qui a
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>"<code>on</code>" si la requ�te utilise https,
0678d323bee844db79af13113ae252546629a594Christian Maeder "<code>off</code>" dans le cas contraire</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>"<code>on</code>" si la connexion utilise IPv6,
0678d323bee844db79af13113ae252546629a594Christian Maeder "<code>off</code>" dans le cas contraire</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>REQUEST_LOG_ID</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>L'identifiant du message d'erreur associ� � la requ�te (voir
0678d323bee844db79af13113ae252546629a594Christian Maeder la directive <code class="directive"><a href="/mod/core.html#errorlogformat">ErrorLogFormat</a></code>)</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>L'identifiant du message d'erreur associ� � la connexion
0678d323bee844db79af13113ae252546629a594Christian Maeder (voir la directive <code class="directive"><a href="/mod/core.html#errorlogformat">ErrorLogFormat</a></code>)</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <table class="bordered"><tr class="header"><th>Nom</th><th>Description</th></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>L'ann�e courante (par exemple <code>2010</code>)</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>TIME_MON</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Le mois courant (<code>1</code>, ..., <code>12</code>)</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>TIME_HOUR</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Les heures de la date courante (<code>0</code>, ...,
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Les minutes de la date courante</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>TIME_SEC</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Les secondes de la date courante</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>Le jour de la semaine (� partir de <code>0</code> pour
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La date et heure au format <code>20101231235959</code></td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La cha�ne contenant la version du serveur</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder<tr class="odd"><td><code>API_VERSION</code></td>
0678d323bee844db79af13113ae252546629a594Christian Maeder <td>La date de la version de l'API (module magic number)</td></tr>
0678d323bee844db79af13113ae252546629a594Christian Maeder <p>Certains modules, comme <code class="module"><a href="/mod/mod_ssl.html">mod_ssl</a></code>, d�finissent des
0678d323bee844db79af13113ae252546629a594Christian Maeder variables suppl�mentaires.</p>
0678d323bee844db79af13113ae252546629a594Christian Maeder</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
0678d323bee844db79af13113ae252546629a594Christian Maeder<h2><a name="binop" id="binop">Op�rateurs binaires</a></h2>
0678d323bee844db79af13113ae252546629a594Christian Maeder <p>� l'exception de quelques op�rateurs de comparaison internes, les
0678d323bee844db79af13113ae252546629a594Christian Maeder op�rateurs binaires sont de la forme
0678d323bee844db79af13113ae252546629a594Christian Maeder "<code>-[a-zA-Z][a-zA-Z0-9_]+</code>", autrement dit un signe moins
0678d323bee844db79af13113ae252546629a594Christian Maeder et au moins deux caract�res. Le nom est insensible � la casse. Les
0678d323bee844db79af13113ae252546629a594Christian Maeder modules peuvent fournir des op�rateurs binaires suppl�mentaires.</p>
0678d323bee844db79af13113ae252546629a594Christian Maeder <h3><a name="comp" id="comp">Op�rateurs de comparaison</a></h3>
0678d323bee844db79af13113ae252546629a594Christian Maeder <table class="bordered"><tr class="header"><th>Nom</th><th>Alternative</th> <th>Description</th></tr>
avec certains modules comme <code class="module"><a href="/mod/mod_include.html">mod_include</a></code>.</p>
avec certains modules comme <code class="module"><a href="/mod/mod_include.html">mod_include</a></code>.</p>
liste. Le module <code class="module"><a href="/mod/mod_ssl.html">mod_ssl</a></code> fournit la fonction
�tre utilis�e en dehors de la directive <code class="directive"><a href="/mod/mod_ssl.html#sslrequire">SSLRequire</a></code>).</p>
<table class="bordered"><tr class="header"><th>Nom</th><th>Alternative</th> <th>Description</th></tr>
<h3><a name="rebackref" id="rebackref">R�f�rences arri�res dans les expressions rationnelles</a></h3>
<p><span>Langues Disponibles: </span><a href="/en/expr.html" hreflang="en" rel="alternate" title="English"> en </a> |
<p class="apache">Copyright 2011 The Apache Software Foundation.<br />Autoris� sous <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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