Fix many typos.

doc/nn_cmsg.txt

@@ -25,7 +25,7 @@ DESCRIPTION
 
 These functions can be used to iterate over ancillary data attached to a message.
 
-Structure 'nn_cmsghdr' represents a single anciallary property and contains following members:
+Structure 'nn_cmsghdr' represents a single ancillary property and contains following members:
 
     size_t cmsg_len;
     int cmsg_level;

doc/nn_poll.txt

@@ -71,7 +71,7 @@ nn_poll is a convenience function. You can achieve same behaviour by using
 NN_RCVFD and NN_SNDFD socket options. However, using the socket options
 allows for usage that's not possible with nn_poll, such as simultaneous polling
 for both SP and OS-level sockets, integration of SP sockets with external event
-loops et c.
+loops etc.
 
 EXAMPLE
 -------

doc/nn_pubsub.txt

@@ -36,7 +36,7 @@ Topic with zero length matches any message.
 If the socket is subscribed to multiple topics, message matching any of them
 will be delivered to the user.
 
-The entire message, including the the topic, is delivered to the user.
+The entire message, including the topic, is delivered to the user.
 
 Socket Types
 ~~~~~~~~~~~~

doc/nn_symbol_info.txt

@@ -27,7 +27,7 @@ struct nn_symbol_properties {
     /*  The constant value  */
     int value;
 
-    /*  The contant name  */
+    /*  The constant name  */
     const char* name;
 
     /*  The constant namespace, or zero for namespaces themselves */

rfc/sp-protocol-ids-01.txt

@@ -72,7 +72,7 @@ Internet-Draft           List of SP protocol IDs               June 2014
    Protocol IDs denote the SP protocol used (such as request/reply or
    publish/subscribe), while endpoint role determines the role of the
    endpoint within the topology (requester vs. replier, publisher vs.
-   subscriber et c.)  Both numbers are in network byte order.
+   subscriber etc.)  Both numbers are in network byte order.
 
    Protocol IDs are global, while endpoint roles are specific to any
    given protocol.  As such, protocol IDs are defined in this document,

rfc/sp-protocol-ids-01.xml

@@ -50,7 +50,7 @@
       <t>Protocol IDs denote the SP protocol used (such as request/reply or
          publish/subscribe), while endpoint role determines the role of the
          endpoint within the topology (requester vs. replier, publisher vs.
-         subscriber et c.) Both numbers are in network byte order.</t>
+         subscriber etc.) Both numbers are in network byte order.</t>
 
       <t>Protocol IDs are global, while endpoint roles are specific to any given
          protocol. As such, protocol IDs are defined in this document, while

rfc/sp-publish-subscribe-01.txt

@@ -71,8 +71,7 @@ Internet-Draft            Publish/Subscribe SP                  May 2014
    arbitrarily complex topology rather than of a single node-to-node
    communication, several underlying protocols can be used in parallel.
    For example, publisher can send a message to intermediary node via
-   TCP.  The intermediate node can then forward the message via PGM et
-   c.
+   TCP.  The intermediate node can then forward the message via PGM etc.
 
    +---+     TCP    +---+    PGM    +---+
    |   |----------->|   |---------->|   |

rfc/sp-publish-subscribe-01.xml

@@ -53,7 +53,7 @@
          arbitrarily complex topology rather than of a single node-to-node
          communication, several underlying protocols can be used in parallel.
          For example, publisher can send a message to intermediary node via TCP.
-         The intermediate node can then forward the message via PGM et c.</t>
+         The intermediate node can then forward the message via PGM etc.</t>
 
       <figure>
         <artwork>

rfc/sp-request-reply-01.txt

@@ -85,7 +85,7 @@ Internet-Draft              Request/Reply SP                 August 2013
    no matter what instance of the service have computed it.
 
    Service that accepts empty requests and produces the number of
-   requests processed so far (1, 2, 3 et c.), on the other hand, is not
+   requests processed so far (1, 2, 3 etc.), on the other hand, is not
    stateless.  To prove it you can run two instances of the service.
    First reply, no matter which instance produces it is going to be 1.
    Second reply though is going to be either 2 (if processed by the same
@@ -153,7 +153,7 @@ Internet-Draft              Request/Reply SP                 August 2013
        "enterprise service bus" model.  In the simplest case the bus can
        be implemented as a simple hub-and-spokes topology.  In complex
        cases the bus can span multiple physical locations or multiple
-       oraganisations with intermediate nodes at the boundaries
+       organisations with intermediate nodes at the boundaries
        connecting different parts of the topology.
 
    In addition to distributing tasks to processing nodes, request/reply
@@ -183,18 +183,18 @@ Internet-Draft              Request/Reply SP                 August 2013
    As can be seen from the above, one request may be processed multiple
    times.  For example, reply may be lost on its way back to the client.
    Client will assume that the request was not processed yet, it will
-   resend it and thus cause duplicit execution of the task.
+   resend it and thus cause duplicate execution of the task.
 
-   Some applications may want to prevent duplicit execution of tasks.
+   Some applications may want to prevent duplicate execution of tasks.
    It often turns out that hardening such applications to be idempotent
    is relatively easy as they already possess the tools to do so.  For
    example, a payment processing server already has access to a shared
    database which it can use to verify that the payment with specified
    ID was not yet processed.
 
    On the other hand, many applications don't care about occasional
-   duplicitly processed tasks.  Therefore, request/reply protocol does
-   not require the service to be idempotent.  Instead, the idempotancy
+   duplicate processed tasks.  Therefore, request/reply protocol does
+   not require the service to be idempotent.  Instead, the idempotence
    issue is left to the user to decide on.
 
    Finally, it should be noted that this specification discusses several
@@ -213,7 +213,7 @@ Internet-Draft              Request/Reply SP                 August 2013
    communication, several underlying protocols can be used in parallel.
    For example, a client may send a request via WebSocket, then, on the
    edge of the company network an intermediary node may retransmit it
-   using TCP et c.
+   using TCP etc.
 
 
 
@@ -288,14 +288,14 @@ Internet-Draft              Request/Reply SP                 August 2013
 
    Thus, when a node is about to send a request, it can choose to send
    it only to one of the channels that don't report pushback at the
-   moment.  To implement approximately fair distibution of the workload
+   moment.  To implement approximately fair distribution of the workload
    the node choses a channel from that pool using the round-robin
    algorithm.
 
    As for delivering replies back to the clients, it should be
    understood that the client may not be directly accessible (say using
    TCP/IP) from the processing node.  It may be beyond a firewall, have
-   no static IP address et c. Furthermore, the client and the processing
+   no static IP address etc. Furthermore, the client and the processing
    may not even speak the same transport protocol -- imagine client
    connecting to the topology using WebSockets and processing node via
    SCTP.
@@ -317,7 +317,7 @@ Internet-Draft              Request/Reply SP                 August 2013
 
    The upside, on the other hand, is that the nodes in the topology
    don't have to maintain any routing tables beside the simple table of
-   adjacent channels along with thier IDs.  There's also no need for any
+   adjacent channels along with their IDs.  There's also no need for any
    additional protocols for distributing routing information within the
    topology.
 
@@ -381,7 +381,7 @@ Internet-Draft              Request/Reply SP                 August 2013
    tag.  That allows the algorithm to find out where the tags end and
    where the message payload begins.
 
-   As for the reamining 31 bits, they are either request ID (in the last
+   As for the remaining 31 bits, they are either request ID (in the last
    tag) or a channel ID (in all the remaining tags).  The first channel
    ID is added and processed by the REP endpoint closest to the
    processing node.  The last channel ID is added and processed by the
@@ -511,7 +511,7 @@ Internet-Draft              Request/Reply SP                 August 2013
    responsive.  It can be thought of as a crude scheduling algorithm.
    However crude though, it's probably still the best you can get
    without knowing estimates of execution time for individual tasks, CPU
-   capacity of individual processing nodes et c.
+   capacity of individual processing nodes etc.
 
    Alternatively, backpressure can be thought of as a congestion control
    mechanism.  When all available processing nodes are busy, it slows
@@ -694,7 +694,7 @@ Internet-Draft              Request/Reply SP                 August 2013
    If the request is successfully sent, the endpoint stores the request
    including its request ID, so that it can be resent later on if
    needed.  At the same time it sets up a timer to trigger the re-
-   transimission in case the reply is not received within a specified
+   transmission in case the reply is not received within a specified
    timeout.  The user MUST be allowed to specify the timeout interval.
    The default timeout interval must be 60 seconds.
 
@@ -795,7 +795,7 @@ Internet-Draft              Request/Reply SP                 August 2013
    legitimate setups can cause loop to be created.
 
    With no additional guards against the loops, it's likely that
-   requests will be caugth inside the loop, rotating there forever, each
+   requests will be caught inside the loop, rotating there forever, each
    message gradually growing in size as new prefixes are added to it by
    each REP endpoint on the way.  Eventually, a loop can cause
    congestion and bring the whole system to a halt.

rfc/sp-request-reply-01.xml

@@ -67,7 +67,7 @@
          no matter what instance of the service have computed it.</t>
 
       <t>Service that accepts empty requests and produces the number
-         of requests processed so far (1, 2, 3 et c.), on the other hand, is
+         of requests processed so far (1, 2, 3 etc.), on the other hand, is
          not stateless. To prove it you can run two instances of the service.
          First reply, no matter which instance produces it is going to be 1.
          Second reply though is going to be either 2 (if processed by the same
@@ -123,7 +123,7 @@
              The "enterprise service bus" model. In the simplest case the bus
              can be implemented as a simple hub-and-spokes topology. In complex
              cases the bus can span multiple physical locations or multiple
-             oraganisations with intermediate nodes at the boundaries connecting
+             organisations with intermediate nodes at the boundaries connecting
              different parts of the topology.</t>
         </list>
 
@@ -149,18 +149,18 @@
       <t>As can be seen from the above, one request may be processed multiple
          times. For example, reply may be lost on its way back to the client.
          Client will assume that the request was not processed yet, it will
-         resend it and thus cause duplicit execution of the task.</t>
+         resend it and thus cause duplicate execution of the task.</t>
 
-      <t>Some applications may want to prevent duplicit execution of tasks. It
+      <t>Some applications may want to prevent duplicate execution of tasks. It
          often turns out that hardening such applications to be idempotent is
          relatively easy as they already possess the tools to do so. For
          example, a payment processing server already has access to a shared
          database which it can use to verify that the payment with specified ID
          was not yet processed.</t>
 
       <t>On the other hand, many applications don't care about occasional
-         duplicitly processed tasks. Therefore, request/reply protocol does not
-         require the service to be idempotent. Instead, the idempotancy issue
+         duplicate processed tasks. Therefore, request/reply protocol does not
+         require the service to be idempotent. Instead, the idempotence issue
          is left to the user to decide on.</t>
 
       <t>Finally, it should be noted that this specification discusses several
@@ -182,7 +182,7 @@
          communication, several underlying protocols can be used in parallel.
          For example, a client may send a request via WebSocket, then, on the
          edge of the company network an intermediary node may retransmit it
-         using TCP et c.</t>
+         using TCP etc.</t>
 
       <figure>
         <artwork>
@@ -248,14 +248,14 @@
 
       <t>Thus, when a node is about to send a request, it can choose to send
          it only to one of the channels that don't report pushback at the
-         moment. To implement approximately fair distibution of the workload
+         moment. To implement approximately fair distribution of the workload
          the node choses a channel from that pool using the round-robin
          algorithm.</t>
 
       <t>As for delivering replies back to the clients, it should be understood
          that the client may not be directly accessible (say using TCP/IP) from
          the processing node. It may be beyond a firewall, have no static IP
-         address et c. Furthermore, the client and the processing may not even
+         address etc. Furthermore, the client and the processing may not even
          speak the same transport protocol -- imagine client connecting to the
          topology using WebSockets and processing node via SCTP.</t>
 
@@ -276,7 +276,7 @@
 
       <t>The upside, on the other hand, is that the nodes in the topology don't
          have to maintain any routing tables beside the simple table of
-         adjacent channels along with thier IDs. There's also no need for any
+         adjacent channels along with their IDs. There's also no need for any
          additional protocols for distributing routing information within
          the topology.</t>
 
@@ -334,7 +334,7 @@
          That allows the algorithm to find out where the tags end and where
          the message payload begins.</t>
 
-      <t>As for the reamining 31 bits, they are either request ID (in the last
+      <t>As for the remaining 31 bits, they are either request ID (in the last
          tag) or a channel ID (in all the remaining tags). The first channel ID
          is added and processed by the REP endpoint closest to the processing
          node. The last channel ID is added and processed by the REP endpoint
@@ -445,7 +445,7 @@
            responsive. It can be thought of as a crude scheduling algorithm.
            However crude though, it's probably still the  best you can get
            without knowing estimates of execution time for individual tasks,
-           CPU capacity of individual processing nodes et c.</t>
+           CPU capacity of individual processing nodes etc.</t>
 
         <t>Alternatively, backpressure can be thought of as a congestion control
            mechanism. When all available processing nodes are busy, it slows
@@ -613,7 +613,7 @@
         <t>If the request is successfully sent, the endpoint stores the request
            including its request ID, so that it can be resent later on if
            needed. At the same time it sets up a timer to trigger the
-           re-transimission in case the reply is not received within a specified
+           re-transmission in case the reply is not received within a specified
            timeout. The user MUST be allowed to specify the timeout interval.
            The default timeout interval must be 60 seconds.</t>
 
@@ -704,7 +704,7 @@
          legitimate setups can cause loop to be created.</t>
 
       <t>With no additional guards against the loops, it's likely that
-         requests will be caugth inside the loop, rotating there forever,
+         requests will be caught inside the loop, rotating there forever,
          each message gradually growing in size as new prefixes are added to it
          by each REP endpoint on the way. Eventually, a loop can cause
          congestion and bring the whole system to a halt.</t>

rfc/sp-tcp-mapping-01.txt

@@ -98,7 +98,7 @@ Internet-Draft             TCP mapping for SPs                March 2014
 
    The fact that the first byte of the protocol header is binary zero
    eliminates any text-based protocols that were accidentally connected
-   to the endpiont.  Subsequent two bytes make the check even more
+   to the endpoint.  Subsequent two bytes make the check even more
    rigorous.  At the same time they can be used as a debugging hint to
    indicate that the connection is supposed to use one of the
    scalability protocols -- ASCII representation of these bytes is 'SP'
@@ -143,7 +143,7 @@ Internet-Draft             TCP mapping for SPs                March 2014
    +------------+-----------------+
 
    It may seem that 64 bit message size is excessive and consumes too
-   much of valueable bandwidth, especially given that most scenarios
+   much of valuable bandwidth, especially given that most scenarios
    call for relatively small messages, in order of bytes or kilobytes.
 
    Variable length field may seem like a better solution, however, our
@@ -154,7 +154,7 @@ Internet-Draft             TCP mapping for SPs                March 2014
    portion of the message and the performance impact is not even
    measurable.
 
-   For small messages, the overal throughput is heavily CPU-bound, never
+   For small messages, the overall throughput is heavily CPU-bound, never
    I/O-bound.  In other words, CPU processing associated with each
    individual message limits the message rate in such a way that network
    bandwidth limit is never reached.  In the future we expect it to be

rfc/sp-tcp-mapping-01.xml

@@ -27,7 +27,7 @@
     <abstract>
       <t>This document defines the TCP mapping for scalability protocols.
          The main purpose of the mapping is to turn the stream of bytes
-         into stream of messages. Additionaly, the mapping provides some
+         into stream of messages. Additionally, the mapping provides some
          additional checks during the connection establishment phase.</t>
     </abstract>
 
@@ -80,7 +80,7 @@
 
       <t>The fact that the first byte of the protocol header is binary zero
          eliminates any text-based protocols that were accidentally connected
-         to the endpiont. Subsequent two bytes make the check even more
+         to the endpoint. Subsequent two bytes make the check even more
          rigorous. At the same time they can be used as a debugging hint to
          indicate that the connection is supposed to use one of the scalability
          protocols -- ASCII representation of these bytes is 'SP' that can
@@ -123,7 +123,7 @@
       </figure>
 
       <t>It may seem that 64 bit message size is excessive and consumes too much
-         of valueable bandwidth, especially given that most scenarios call for
+         of valuable bandwidth, especially given that most scenarios call for
          relatively small messages, in order of bytes or kilobytes.</t>
 
       <t>Variable length field may seem like a better solution, however, our
@@ -133,7 +133,7 @@
       <t>For large messages, 64 bits used by the field form a negligible portion
          of the message and the performance impact is not even measurable.</t>
 
-      <t>For small messages, the overal throughput is heavily CPU-bound, never
+      <t>For small messages, the overall throughput is heavily CPU-bound, never
          I/O-bound. In other words, CPU processing associated with each
          individual message limits the message rate in such a way that network
          bandwidth limit is never reached. In the future we expect it to be