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diff --git a/documentation/api/modules/luci.util.html b/documentation/api/modules/luci.util.html new file mode 100644 index 0000000000..301cffff68 --- /dev/null +++ b/documentation/api/modules/luci.util.html @@ -0,0 +1,1717 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html> +<head> + <title>Reference</title> + <link rel="stylesheet" href="../luadoc.css" type="text/css" /> + <!--meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/--> +</head> + +<body> +<div id="container"> + +<div id="product"> + <div id="product_logo"></div> + <div id="product_name"><big><b></b></big></div> + <div id="product_description"></div> +</div> <!-- id="product" --> + +<div id="main"> + +<div id="navigation"> + + +<h1>LuaDoc</h1> +<ul> + + <li><a href="../index.html">Index</a></li> + +</ul> + + +<!-- Module list --> + +<h1>Modules</h1> +<ul> + + <li> + <a href="../modules/luci.dispatcher.html">luci.dispatcher</a> + </li> + 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href="../modules/luci.model.uci.html">luci.model.uci</a> + </li> + + <li> + <a href="../modules/luci.rpcc.html">luci.rpcc</a> + </li> + + <li> + <a href="../modules/luci.rpcc.ruci.html">luci.rpcc.ruci</a> + </li> + + <li> + <a href="../modules/luci.sys.html">luci.sys</a> + </li> + + <li> + <a href="../modules/luci.sys.init.html">luci.sys.init</a> + </li> + + <li> + <a href="../modules/luci.sys.iptparser.html">luci.sys.iptparser</a> + </li> + + <li> + <a href="../modules/luci.sys.net.html">luci.sys.net</a> + </li> + + <li> + <a href="../modules/luci.sys.process.html">luci.sys.process</a> + </li> + + <li> + <a href="../modules/luci.sys.user.html">luci.sys.user</a> + </li> + + <li> + <a href="../modules/luci.sys.wifi.html">luci.sys.wifi</a> + </li> + + <li><strong>luci.util</strong></li> + + <li> + <a href="../modules/nixio.html">nixio</a> + </li> + + <li> + <a href="../modules/nixio.CHANGELOG.html">nixio.CHANGELOG</a> + </li> + + <li> + <a 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+<h2>Functions</h2> +<table class="function_list"> + + <tr> + <td class="name" nowrap><a href="#append">append</a> (src, ...)</td> + <td class="summary"> + +Appends numerically indexed tables or single objects to a given table.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#bigendian">bigendian</a> ()</td> + <td class="summary"> + +Test whether the current system is operating in big endian mode.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#class">class</a> (base)</td> + <td class="summary"> + +Create a Class object (Python-style object model).</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#clone">clone</a> (object, deep)</td> + <td class="summary"> + +Clones the given object and return it's copy.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#cmatch">cmatch</a> (str, pattern)</td> + <td class="summary"> + +Count the occurences of given substring in given string.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#combine">combine</a> (tbl1, tbl2, ...)</td> + <td class="summary"> + +Combines two or more numerically indexed tables and single objects into one table.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#contains">contains</a> (table, value)</td> + <td class="summary"> + +Checks whether the given table contains the given value.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#copcall">copcall</a> (f, ...)</td> + <td class="summary"> + +This is a coroutine-safe drop-in replacement for Lua's "pcall"-function + </td> + </tr> + + <tr> + <td class="name" nowrap><a href="#coxpcall">coxpcall</a> (f, err, ...)</td> + <td class="summary"> + +This is a coroutine-safe drop-in replacement for Lua's "xpcall"-function + </td> + </tr> + + <tr> + <td class="name" nowrap><a href="#dtable">dtable</a> ()</td> + <td class="summary"> + +Create a dynamic table which automatically creates subtables.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#dumptable">dumptable</a> (t, maxdepth)</td> + <td class="summary"> + +Recursively dumps a table to stdout, useful for testing and debugging.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#exec">exec</a> (command)</td> + <td class="summary"> + +Execute given commandline and gather stdout.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#execi">execi</a> (command)</td> + <td class="summary"> + +Return a line-buffered iterator over the output of given command.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#get_bytecode">get_bytecode</a> (val)</td> + <td class="summary"> + +Return the current runtime bytecode of the given data.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#imatch">imatch</a> (val)</td> + <td class="summary"> + +Return a matching iterator for the given value.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#instanceof">instanceof</a> (object, class)</td> + <td class="summary"> + +Test whether the given object is an instance of the given class.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#keys">keys</a> (t)</td> + <td class="summary"> + +Retrieve all keys of given associative table.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#kspairs">kspairs</a> (t)</td> + <td class="summary"> + +Return a key, value iterator for the given table.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#libpath">libpath</a> ()</td> + <td class="summary"> + +Returns the absolute path to LuCI base directory.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#parse_units">parse_units</a> (ustr)</td> + <td class="summary"> + +Parse certain units from the given string and return the canonical integer + +value or 0 if the unit is unknown.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#pcdata">pcdata</a> (value)</td> + <td class="summary"> + +Create valid XML PCDATA from given string.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#perror">perror</a> (obj)</td> + <td class="summary"> + +Write given object to stderr.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#restore_data">restore_data</a> (str)</td> + <td class="summary"> + +Restore data previously serialized with serialize_data().</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#serialize_data">serialize_data</a> (val)</td> + <td class="summary"> + +Recursively serialize given data to lua code, suitable for restoring + +with loadstring().</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#serialize_json">serialize_json</a> (data, writer)</td> + <td class="summary"> + +Convert data structure to JSON + </td> + </tr> + + <tr> + <td class="name" nowrap><a href="#spairs">spairs</a> (t, f)</td> + <td class="summary"> + +Return a key, value iterator which returns the values sorted according to + +the provided callback function.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#split">split</a> (str, pat, max, regex)</td> + <td class="summary"> + +Splits given string on a defined separator sequence and return a table + +containing the resulting substrings.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#strip_bytecode">strip_bytecode</a> (code)</td> + <td class="summary"> + +Strips unnescessary lua bytecode from given string.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#striptags">striptags</a> (value)</td> + <td class="summary"> + +Strip HTML tags from given string.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#threadlocal">threadlocal</a> ()</td> + <td class="summary"> + +Create a new or get an already existing thread local store associated with + +the current active coroutine.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#trim">trim</a> (str)</td> + <td class="summary"> + +Remove leading and trailing whitespace from given string value.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#ubus">ubus</a> (object, method, values)</td> + <td class="summary"> + +Issue an ubus call.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#update">update</a> (t, updates)</td> + <td class="summary"> + +Update values in given table with the values from the second given table.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#vspairs">vspairs</a> (t)</td> + <td class="summary"> + +Return a key, value iterator for the given table.</td> + </tr> + +</table> + + + + + + +<br/> +<br/> + + +<h2><a name="functions"></a>Functions</h2> +<dl class="function"> + + + +<dt><a name="append"></a><strong>append</strong> (src, ...)</dt> +<dd> + + +Appends numerically indexed tables or single objects to a given table. + + + +<h3>Parameters</h3> +<ul> + + <li> + src: Target table + </li> + + <li> + ...: Objects to insert + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Target table + + + +</dd> + + + + +<dt><a name="bigendian"></a><strong>bigendian</strong> ()</dt> +<dd> + + +Test whether the current system is operating in big endian mode. + + + + + + + + +<h3>Return value:</h3> +Boolean value indicating whether system is big endian + + + +</dd> + + + + +<dt><a name="class"></a><strong>class</strong> (base)</dt> +<dd> + + +Create a Class object (Python-style object model). + +The class object can be instantiated by calling itself. +Any class functions or shared parameters can be attached to this object. +Attaching a table to the class object makes this table shared between +all instances of this class. For object parameters use the __init__ function. +Classes can inherit member functions and values from a base class. +Class can be instantiated by calling them. All parameters will be passed +to the __init__ function of this class - if such a function exists. +The __init__ function must be used to set any object parameters that are not shared +with other objects of this class. Any return values will be ignored. + + +<h3>Parameters</h3> +<ul> + + <li> + base: The base class to inherit from (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +A class object + + + +<h3>See also:</h3> +<ul> + + <li><a href="#instanceof"> + instanceof + </a> + + <li><a href="#clone"> + clone + </a> + +</ul> + +</dd> + + + + +<dt><a name="clone"></a><strong>clone</strong> (object, deep)</dt> +<dd> + + +Clones the given object and return it's copy. + + + +<h3>Parameters</h3> +<ul> + + <li> + object: Table value to clone + </li> + + <li> + deep: Boolean indicating whether to do recursive cloning + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Cloned table value + + + +</dd> + + + + +<dt><a name="cmatch"></a><strong>cmatch</strong> (str, pattern)</dt> +<dd> + + +Count the occurences of given substring in given string. + + + +<h3>Parameters</h3> +<ul> + + <li> + str: String to search in + </li> + + <li> + pattern: String containing pattern to find + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Number of found occurences + + + +</dd> + + + + +<dt><a name="combine"></a><strong>combine</strong> (tbl1, tbl2, ...)</dt> +<dd> + + +Combines two or more numerically indexed tables and single objects into one table. + + + +<h3>Parameters</h3> +<ul> + + <li> + tbl1: Table value to combine + </li> + + <li> + tbl2: Table value to combine + </li> + + <li> + ...: More tables to combine + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Table value containing all values of given tables + + + +</dd> + + + + +<dt><a name="contains"></a><strong>contains</strong> (table, value)</dt> +<dd> + + +Checks whether the given table contains the given value. + + + +<h3>Parameters</h3> +<ul> + + <li> + table: Table value + </li> + + <li> + value: Value to search within the given table + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +number indicating the first index at which the given value occurs + within table or false. + + + +</dd> + + + + +<dt><a name="copcall"></a><strong>copcall</strong> (f, ...)</dt> +<dd> + + +This is a coroutine-safe drop-in replacement for Lua's "pcall"-function + + + +<h3>Parameters</h3> +<ul> + + <li> + f: Lua function to be called protected + </li> + + <li> + ...: Parameters passed to the function + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +A boolean whether the function call succeeded and the returns + values of the function or the error object + + + +</dd> + + + + +<dt><a name="coxpcall"></a><strong>coxpcall</strong> (f, err, ...)</dt> +<dd> + + +This is a coroutine-safe drop-in replacement for Lua's "xpcall"-function + + + +<h3>Parameters</h3> +<ul> + + <li> + f: Lua function to be called protected + </li> + + <li> + err: Custom error handler + </li> + + <li> + ...: Parameters passed to the function + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +A boolean whether the function call succeeded and the return + values of either the function or the error handler + + + +</dd> + + + + +<dt><a name="dtable"></a><strong>dtable</strong> ()</dt> +<dd> + + +Create a dynamic table which automatically creates subtables. + + + + + + + + +<h3>Return value:</h3> +Dynamic Table + + + +</dd> + + + + +<dt><a name="dumptable"></a><strong>dumptable</strong> (t, maxdepth)</dt> +<dd> + + +Recursively dumps a table to stdout, useful for testing and debugging. + + + +<h3>Parameters</h3> +<ul> + + <li> + t: Table value to dump + </li> + + <li> + maxdepth: Maximum depth + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Always nil + + + +</dd> + + + + +<dt><a name="exec"></a><strong>exec</strong> (command)</dt> +<dd> + + +Execute given commandline and gather stdout. + + + +<h3>Parameters</h3> +<ul> + + <li> + command: String containing command to execute + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String containing the command's stdout + + + +</dd> + + + + +<dt><a name="execi"></a><strong>execi</strong> (command)</dt> +<dd> + + +Return a line-buffered iterator over the output of given command. + + + +<h3>Parameters</h3> +<ul> + + <li> + command: String containing the command to execute + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Iterator + + + +</dd> + + + + +<dt><a name="get_bytecode"></a><strong>get_bytecode</strong> (val)</dt> +<dd> + + +Return the current runtime bytecode of the given data. The byte code + +will be stripped before it is returned. + + +<h3>Parameters</h3> +<ul> + + <li> + val: Value to return as bytecode + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String value containing the bytecode of the given data + + + +</dd> + + + + +<dt><a name="imatch"></a><strong>imatch</strong> (val)</dt> +<dd> + + +Return a matching iterator for the given value. The iterator will return + +one token per invocation, the tokens are separated by whitespace. If the +input value is a table, it is transformed into a string first. A nil value +will result in a valid interator which aborts with the first invocation. + + +<h3>Parameters</h3> +<ul> + + <li> + val: The value to scan (table, string or nil) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Iterator which returns one token per call + + + +</dd> + + + + +<dt><a name="instanceof"></a><strong>instanceof</strong> (object, class)</dt> +<dd> + + +Test whether the given object is an instance of the given class. + + + +<h3>Parameters</h3> +<ul> + + <li> + object: Object instance + </li> + + <li> + class: Class object to test against + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Boolean indicating whether the object is an instance + + + +<h3>See also:</h3> +<ul> + + <li><a href="#class"> + class + </a> + + <li><a href="#clone"> + clone + </a> + +</ul> + +</dd> + + + + +<dt><a name="keys"></a><strong>keys</strong> (t)</dt> +<dd> + + +Retrieve all keys of given associative table. + + + +<h3>Parameters</h3> +<ul> + + <li> + t: Table to extract keys from + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Sorted table containing the keys + + + +</dd> + + + + +<dt><a name="kspairs"></a><strong>kspairs</strong> (t)</dt> +<dd> + + +Return a key, value iterator for the given table. + +The table pairs are sorted by key. + + +<h3>Parameters</h3> +<ul> + + <li> + t: The table to iterate + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Function value containing the corresponding iterator + + + +</dd> + + + + +<dt><a name="libpath"></a><strong>libpath</strong> ()</dt> +<dd> + + +Returns the absolute path to LuCI base directory. + + + + + + + + +<h3>Return value:</h3> +String containing the directory path + + + +</dd> + + + + +<dt><a name="parse_units"></a><strong>parse_units</strong> (ustr)</dt> +<dd> + + +Parse certain units from the given string and return the canonical integer + +value or 0 if the unit is unknown. Upper- or lower case is irrelevant. +Recognized units are: + o "y" - one year (60*60*24*366) + o "m" - one month (60*60*24*31) + o "w" - one week (60*60*24*7) + o "d" - one day (60*60*24) + o "h" - one hour (60*60) + o "min" - one minute (60) + o "kb" - one kilobyte (1024) + o "mb" - one megabyte (1024*1024) + o "gb" - one gigabyte (1024*1024*1024) + o "kib" - one si kilobyte (1000) + o "mib" - one si megabyte (1000*1000) + o "gib" - one si gigabyte (1000*1000*1000) + + +<h3>Parameters</h3> +<ul> + + <li> + ustr: String containing a numerical value with trailing unit + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Number containing the canonical value + + + +</dd> + + + + +<dt><a name="pcdata"></a><strong>pcdata</strong> (value)</dt> +<dd> + + +Create valid XML PCDATA from given string. + + + +<h3>Parameters</h3> +<ul> + + <li> + value: String value containing the data to escape + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String value containing the escaped data + + + +</dd> + + + + +<dt><a name="perror"></a><strong>perror</strong> (obj)</dt> +<dd> + + +Write given object to stderr. + + + +<h3>Parameters</h3> +<ul> + + <li> + obj: Value to write to stderr + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Boolean indicating whether the write operation was successful + + + +</dd> + + + + +<dt><a name="restore_data"></a><strong>restore_data</strong> (str)</dt> +<dd> + + +Restore data previously serialized with serialize_data(). + + + +<h3>Parameters</h3> +<ul> + + <li> + str: String containing the data to restore + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Value containing the restored data structure + + + +<h3>See also:</h3> +<ul> + + <li><a href="#serialize_data"> + serialize_data + </a> + + <li><a href="#get_bytecode"> + get_bytecode + </a> + +</ul> + +</dd> + + + + +<dt><a name="serialize_data"></a><strong>serialize_data</strong> (val)</dt> +<dd> + + +Recursively serialize given data to lua code, suitable for restoring + +with loadstring(). + + +<h3>Parameters</h3> +<ul> + + <li> + val: Value containing the data to serialize + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String value containing the serialized code + + + +<h3>See also:</h3> +<ul> + + <li><a href="#restore_data"> + restore_data + </a> + + <li><a href="#get_bytecode"> + get_bytecode + </a> + +</ul> + +</dd> + + + + +<dt><a name="serialize_json"></a><strong>serialize_json</strong> (data, writer)</dt> +<dd> + + +Convert data structure to JSON + + + +<h3>Parameters</h3> +<ul> + + <li> + data: The data to serialize + </li> + + <li> + writer: A function to write a chunk of JSON data (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String containing the JSON if called without write callback + + + +</dd> + + + + +<dt><a name="spairs"></a><strong>spairs</strong> (t, f)</dt> +<dd> + + +Return a key, value iterator which returns the values sorted according to + +the provided callback function. + + +<h3>Parameters</h3> +<ul> + + <li> + t: The table to iterate + </li> + + <li> + f: A callback function to decide the order of elements + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Function value containing the corresponding iterator + + + +</dd> + + + + +<dt><a name="split"></a><strong>split</strong> (str, pat, max, regex)</dt> +<dd> + + +Splits given string on a defined separator sequence and return a table + +containing the resulting substrings. The optional max parameter specifies +the number of bytes to process, regardless of the actual length of the given +string. The optional last parameter, regex, specifies whether the separator +sequence is interpreted as regular expression. + + +<h3>Parameters</h3> +<ul> + + <li> + str: String value containing the data to split up + </li> + + <li> + pat: String with separator pattern (optional, defaults to "\n") + </li> + + <li> + max: Maximum times to split (optional) + </li> + + <li> + regex: Boolean indicating whether to interpret the separator + pattern as regular expression (optional, default is false) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Table containing the resulting substrings + + + +</dd> + + + + +<dt><a name="strip_bytecode"></a><strong>strip_bytecode</strong> (code)</dt> +<dd> + + +Strips unnescessary lua bytecode from given string. Information like line + +numbers and debugging numbers will be discarded. Original version by +Peter Cawley (http://lua-users.org/lists/lua-l/2008-02/msg01158.html) + + +<h3>Parameters</h3> +<ul> + + <li> + code: String value containing the original lua byte code + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String value containing the stripped lua byte code + + + +</dd> + + + + +<dt><a name="striptags"></a><strong>striptags</strong> (value)</dt> +<dd> + + +Strip HTML tags from given string. + + + +<h3>Parameters</h3> +<ul> + + <li> + value: String containing the HTML text + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String with HTML tags stripped of + + + +</dd> + + + + +<dt><a name="threadlocal"></a><strong>threadlocal</strong> ()</dt> +<dd> + + +Create a new or get an already existing thread local store associated with + +the current active coroutine. A thread local store is private a table object +whose values can't be accessed from outside of the running coroutine. + + + + + + + +<h3>Return value:</h3> +Table value representing the corresponding thread local store + + + +</dd> + + + + +<dt><a name="trim"></a><strong>trim</strong> (str)</dt> +<dd> + + +Remove leading and trailing whitespace from given string value. + + + +<h3>Parameters</h3> +<ul> + + <li> + str: String value containing whitespace padded data + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +String value with leading and trailing space removed + + + +</dd> + + + + +<dt><a name="ubus"></a><strong>ubus</strong> (object, method, values)</dt> +<dd> + + +Issue an ubus call. + + + +<h3>Parameters</h3> +<ul> + + <li> + object: String containing the ubus object to call + </li> + + <li> + method: String containing the ubus method to call + </li> + + <li> + values: Table containing the values to pass + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Table containin the ubus result + + + +</dd> + + + + +<dt><a name="update"></a><strong>update</strong> (t, updates)</dt> +<dd> + + +Update values in given table with the values from the second given table. + +Both table are - in fact - merged together. + + +<h3>Parameters</h3> +<ul> + + <li> + t: Table which should be updated + </li> + + <li> + updates: Table containing the values to update + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Always nil + + + +</dd> + + + + +<dt><a name="vspairs"></a><strong>vspairs</strong> (t)</dt> +<dd> + + +Return a key, value iterator for the given table. + +The table pairs are sorted by value. + + +<h3>Parameters</h3> +<ul> + + <li> + t: The table to iterate + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Function value containing the corresponding iterator + + + +</dd> + + +</dl> + + + + + +</div> <!-- id="content" --> + +</div> <!-- id="main" --> + +<div id="about"> + <p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p> +</div> <!-- id="about" --> + +</div> <!-- id="container" --> +</body> +</html> |