DOC: Fix typos in different subsections of the documentation

Fix typos found in the design-thoughts, internals and lua-api
subsections of the documentation.

doc/design-thoughts/connection-reuse.txt

@@ -202,7 +202,7 @@ The problem analysed below was solved on 2013/10/22
 |       least with some transport not de-initialized. We might thus need
 |       conn_xprt_close() when conn_xprt_init() fails.
 | 
-| The fd should be conditionned by ->ctrl only, and the transport layer by ->xprt.
+| The fd should be conditioned by ->ctrl only, and the transport layer by ->xprt.
 | 
 | - conn_prepare_ctrl(conn, ctrl) 
 | - conn_prepare_xprt(conn, xprt) 

doc/design-thoughts/entities-v2.txt

@@ -61,7 +61,7 @@ On the accept() side, we probably need to know :
   - if a data-layer accept() has been performed
     => possibly 2 bits, to indicate the need to free()
 
-On the connect() side, we need to konw :
+On the connect() side, we need to know :
   - the desire to send a header (eg: send-proxy)
   - if this header has been sent
     => maybe both info might be combined

doc/design-thoughts/http2.txt

@@ -117,7 +117,7 @@
   frame size minimum. That means slightly more than 16kB of buffer in each
   direction to process any frame. It will definitely have an impact on the
   deployed maxconn setting in places using less than this (4..8kB are common).
-  Also, the header list is persistant per connection, so if we reach the same
+  Also, the header list is persistent per connection, so if we reach the same
   size as the request, that's another 16kB in each direction, resulting in
   about 48kB of memory where 8 were previously used. A more careful encoder
   can work with a much smaller set even if that implies evicting entries
@@ -216,7 +216,7 @@ have dynamic buffer allocation.
 
 Thus :
 - Tx buffers do not exist. We allocate a buffer on the fly when we're ready to
-  send something that we need to build and that needs to be persistant in case
+  send something that we need to build and that needs to be persistent in case
   of partial send. H1 headers are built on the fly from the header table to a
   temporary buffer that is immediately sent and whose amount of sent bytes is
   the only information kept (like for PROXY protocol). H2 headers are more

doc/design-thoughts/rate-shaping.txt

@@ -63,7 +63,7 @@ This brings us to a very flexible architecture :
    - 1 list of rule-based checkpoints per backend
    - 1 list of rule-based checkpoints per server
 
-Each of these lists have a lot of rules conditionned by ACLs, just like the
+Each of these lists have a lot of rules conditioned by ACLs, just like the
 use-backend rules, except that all rules are evaluated in turn.
 
 Since we might sometimes just want to enable that without setting any limit and

doc/internals/body-parsing.txt

@@ -81,7 +81,7 @@ msg.sov  : start of value. First character of the header's value in the header
 
 msg.sol  : start of line. Points to the beginning of the current header line
            while parsing headers. It is cleared to zero in the BODY state,
-           and contains exactly the number of bytes comprising the preceeding
+           and contains exactly the number of bytes comprising the preceding
            chunk size in the DATA state (which can be zero), so that the sum of
            msg.sov + msg.sol always points to the beginning of data for all
            states starting with DATA. For chunked encoded messages, this sum
@@ -91,7 +91,7 @@ msg.sol  : start of line. Points to the beginning of the current header line
            TRAILERS state, it contains the length of the last parsed part of
            the trailer headers.
 
-msg.eoh  : end of headers. Points to the CRLF (or LF) preceeding the body and
+msg.eoh  : end of headers. Points to the CRLF (or LF) preceding the body and
            marking the end of headers. It is where new headers are appended.
            This offset is automatically adjusted when inserting/removing some
            headers. It always contains the size of the headers excluding the

doc/internals/connection-header.txt

@@ -180,7 +180,7 @@ CLO    1.1      both      any       CLO       del_ka
     on versions and current connection header(s).
 
   - both CLO and TUN modes work similarly, they need to set a close mode on the
-    reponse. A 1.1 response will exclusively need the close header, while a 1.0
+    response. A 1.1 response will exclusively need the close header, while a 1.0
     response will have it removed. Any keep-alive header is always removed when
     found.
 

doc/internals/entities-v2.txt

@@ -58,7 +58,7 @@ On the accept() side, we probably need to know :
   - if a data-layer accept() has been performed
     => possibly 2 bits, to indicate the need to free()
 
-On the connect() side, we need to konw :
+On the connect() side, we need to know :
   - the desire to send a header (eg: send-proxy)
   - if this header has been sent
     => maybe both info might be combined

doc/internals/entities.txt

@@ -68,7 +68,7 @@ which takes decisions.
 Connector
 ---------
 
-A connector is the entity which permits to instanciate a connection to a known
+A connector is the entity which permits to instantiate a connection to a known
 destination. It presents a connect() callback, and as such appears on the right
 side of diagrams.
 

doc/internals/filters.txt

@@ -293,8 +293,8 @@ instances attached to a stream:
                                              * If NULL, we start from the first filter.
                                              * 0: request channel, 1: response channel */
         unsigned short flags;               /* STRM_FL_* */
-        unsigned char  nb_req_data_filters; /* Number of data filters registerd on the request channel */
-        unsigned char  nb_rsp_data_filters; /* Number of data filters registerd on the response channel */
+        unsigned char  nb_req_data_filters; /* Number of data filters registered on the request channel */
+        unsigned char  nb_rsp_data_filters; /* Number of data filters registered on the response channel */
     };
 
 
@@ -544,7 +544,7 @@ silently ignored (in this case, global.nbthread will be always equal to one).
 3.4. HANDLING THE STREAMS ACTIVITY
 -----------------------------------
 
-You may be interessted to handle streams activity. For now, there is three
+You may be interested to handle streams activity. For now, there is three
 callbacks that you should define to do so:
 
   * 'flt_ops.stream_start': It is called when a stream is started. This callback

doc/internals/notes-layers.txt

@@ -9,7 +9,7 @@
     available via conn_streams, sends data to the network
 
 
-The connection zone contains multiple layers which behave independantly in each
+The connection zone contains multiple layers which behave independently in each
 direction. The Rx direction is activated upon callbacks from the lower layers.
 The Tx direction is activated recursively from the upper layers. Between every
 two layers there may be a buffer, in each direction. When a buffer is full
@@ -82,7 +82,7 @@ Some operation flags will be needed on cs_recv() :
     requested size, thus no need to re-enable receiving on the lower layers.
 
   - RECV_ONE_SHOT : perform a single read without re-enabling reading on the
-    lower layers, like we currently do when receving an HTTP/1 request. Like
+    lower layers, like we currently do when receiving an HTTP/1 request. Like
     RECV_ENOUGH where any size is enough. Probably that the two could be merged
     (eg: by having a MIN argument like RECV_MIN).
 
@@ -99,7 +99,7 @@ Some operation flags will be needed on cs_send() :
 
 
 Both operations should return a composite status :
-  - number of bytes transfered
+  - number of bytes transferred
   - status flags (shutr, shutw, reset, empty, full, ...)
 
 

doc/lua-api/index.rst

@@ -1838,7 +1838,7 @@ Socket class
 
   Other format accepted are a socket path like "/socket/path", it permits to
   connect to a socket. Abstract namespaces are supported with the prefix
-  "abns@", and finaly a file descriptor can be passed with the prefix "fd@".
+  "abns@", and finally a file descriptor can be passed with the prefix "fd@".
   The prefix "ipv4@", "ipv6@" and "unix@" are also supported. The port can be
   passed int the string. The syntax "127.0.0.1:1234" is valid. In this case, the
   parameter *port* must not be set.