Fix various spelling and grammatical issues in documentation

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@153468 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_chanspy.c

@@ -157,7 +157,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 			<para> - Dialing <literal>*</literal> will stop spying and look for another channel to spy on.</para>
 			<para> - Dialing a series of digits followed by <literal>#</literal> builds a channel name to append
 			to 'chanprefix'. For example, executing ChanSpy(Agent) and then dialing the digits '1234#' 
-			while spying will begin spying on the channel 'Agent/1234'. Note that this feature will be overriden if the 'd' option
+			while spying will begin spying on the channel 'Agent/1234'. Note that this feature will be overridden if the 'd' option
 			is used</para>
 			<note><para>The <replaceable>X</replaceable> option supersedes the three features above in that if a valid
 			single digit extension exists in the correct context ChanSpy will exit to it.

apps/app_dahdiras.c

@@ -60,7 +60,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		<syntax>
 			<parameter name="args" required="true">
 				<para>A list of parameters to pass to the pppd daemon,
-				separeted by <literal>,</literal> characters.</para>
+				separated by <literal>,</literal> characters.</para>
 			</parameter>
 		</syntax>
 		<description>

apps/app_dial.c

@@ -425,7 +425,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 				<para>Filename of sound that will be played when no channel can be reached</para>
 			</parameter>
 			<parameter name="sleep" required="true">
-				<para>Number of seconds to wait after a dialattempt failed before a new attempt is made</para>
+				<para>Number of seconds to wait after a dial attempt failed before a new attempt is made</para>
 			</parameter>
 			<parameter name="retries" required="true">
 				<para>Number of retries</para>

apps/app_exec.c

@@ -49,7 +49,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		</syntax>
 		<description>
 			<para>Allows an arbitrary application to be invoked even when not
-			hardcoded into the dialplan.  If the underlying application
+			hard coded into the dialplan.  If the underlying application
 			terminates the dialplan, or if the application cannot be found,
 			Exec will terminate the dialplan.</para>
 			<para>To invoke external applications, see the application System.
@@ -67,7 +67,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		</syntax>
 		<description>
 			<para>Allows an arbitrary application to be invoked even when not
-			hardcoded into the dialplan. To invoke external applications
+			hard coded into the dialplan. To invoke external applications
 			see the application System.  Always returns to the dialplan.
 			The channel variable TRYSTATUS will be set to one of:
 			</para>

apps/app_page.c

@@ -75,7 +75,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 						<para>Record the page into a file (meetme option <literal>r</literal>)</para>
 					</option>
 					<option name="s">
-						<para>Only dial channel if devicestate says its <literal>notinuse</literal></para>
+						<para>Only dial a channel if ts device state says that it is <literal>NOT_INUSE</literal></para>
 					</option>
 				</optionlist>
 			</parameter>

apps/app_playback.c

@@ -75,7 +75,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 					<value name="FAILED"/>
 				</variable>
 			</variablelist>
-			<para>See Also: Background (application) -- for playing soundfiles that are interruptible</para>
+			<para>See Also: Background (application) -- for playing sound files that are interruptible</para>
 			<para>WaitExten (application) -- wait for digits from caller, optionally play music on hold</para>
 		</description>
 	</application>

apps/app_record.c

@@ -83,7 +83,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 			incremented by one each time the file is recorded.
 			Use <astcli>core show file formats</astcli> to see the available formats on your system
 			User can press <literal>#</literal> to terminate the recording and continue to the next priority.
-			If the user hangup during a recording, all data will be lost and the application will teminate.</para>
+			If the user hangup during a recording, all data will be lost and the application will terminate.</para>
 			<variablelist>
 				<variable name="RECORDED_FILE">
 					<para>Will be set to the final filename of the recording.</para>

apps/app_userevent.c

@@ -43,7 +43,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 			<para>Sends an arbitrary event to the manager interface, with an optional
 			<replaceable>body</replaceable> representing additional arguments. The
 			<replaceable>body</replaceable> may be specified as
-			a <literal>|</literal> delimeted list of headers. Each additional
+			a <literal>|</literal> delimited list of headers. Each additional
 			argument will be placed on a new line in the event. The format of the
 			event will be:</para>
 			<para>    Event: UserEvent</para>

funcs/func_env.c

@@ -40,7 +40,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		</synopsis>
 		<syntax>
 			<parameter name="varname" required="true">
-				<para>Enviroment variable name</para>
+				<para>Environment variable name</para>
 			</parameter>
 		</syntax>
 		<description>

funcs/func_math.c

@@ -61,7 +61,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 			</parameter>
 		</syntax>
 		<description>
-			<para>Performs mathematicas functions based on two parameters and a operator, the returned
+			<para>Performs mathematical functions based on two parameters and an operator.  The returned
 			value type is <replaceable>type</replaceable></para>
 			<para>Example: Set(i=${MATH(123%16,int)}) - sets var i=11</para>
 		</description>

funcs/func_speex.c

@@ -60,12 +60,12 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		</syntax>
 		<description>
 			<para>The AGC function will apply automatic gain control to the audio on the
-			channel that it is executed on. Using <literal>rx</literal> for audio recieved
+			channel that it is executed on. Using <literal>rx</literal> for audio received
 			and <literal>tx</literal> for audio transmitted to the channel. When using this
-			function you set a target audio level. It is primarly intended for use with
+			function you set a target audio level. It is primarily intended for use with
 			analog lines, but could be useful for other channels as well. The target volume 
 			is set with a number between <literal>1-32768</literal>. The larger the number
-			the louder (more gain) the channel will recieve.</para>
+			the louder (more gain) the channel will receive.</para>
 			<para>Examples:</para>
 			<para>exten => 1,1,Set(AGC(rx)=8000)</para>
 			<para>exten => 1,2,Set(AGC(tx)=off)</para>

funcs/func_strings.c

@@ -149,7 +149,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		<description>
 			<para>The comma-delimited list passed as a value to which the function is set will 
 			be interpreted as a set of values to which the comma-delimited list of 
-			variable names in the arguement should be set.</para>
+			variable names in the argument should be set.</para>
 			<para>Example: Set(ARRAY(var1,var2)=1,2) will set var1 to 1 and var2 to 2</para>
 		</description>
 	</function>