fixes nanomsg#861 Man pages need to use .adoc suffix

docs/man/nn_allocmsg.3compat.adoc

@@ -33,16 +33,16 @@ The value of _size_ must be positive, and small enough to hold reasonable
 message data plus book-keeping information.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 The value of _type_ *must* be zero.
 (This argument was reserved to support different kinds of memory spaces
 for RDMA devices, but this was never developed in the legacy API.)
 
 The returned message must be disposed of by either
-`<<nn_freemsg.3compat#,nn_freemsg()>>` or
-`<<nn_send.3compat#,nn_send()>>` when the caller is finished with it.
+xref:nn_freemsg.3compat.adoc[`nn_freemsg()`] or
+xref:nn_send.3compat.adoc[`nn_send()`] when the caller is finished with it.
 
 == RETURN VALUES
 
@@ -59,9 +59,9 @@ on failure.
 == SEE ALSO
 
 [.text-left]
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_freemsg.3compat#,nn_freemsg(3compat)>>,
-<<nn_reallocmsg.3compat#,nn_reallocmsg(3compat)>>,
-<<nn_send.3compat#,nn_send(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_freemsg.3compat.adoc[nn_freemsg(3compat)],
+xref:nn_reallocmsg.3compat.adoc[nn_reallocmsg(3compat)],
+xref:nn_send.3compat.adoc[nn_send(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_bind.3compat.adoc

@@ -28,12 +28,12 @@ The `nn_bind()` function arranges for the socket _sock_ to
 accept connections at the address specified by _url_.
 An "`endpoint identifier`" for this socket's association with the _url_ is
 returned to the caller on success.
-This ID can be used with `<<nn_shutdown.3compat#,nn_shutdown()>>` to
+This ID can be used with xref:nn_shutdown.3compat.adoc[`nn_shutdown()`] to
 "`unbind`" the socket from the address at _url_.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 NOTE: The bind operation is performed asynchronously, and may not have
 completed before this function returns control to the caller.
@@ -42,7 +42,7 @@ IMPORTANT: Only transports supported by legacy _libnanomsg_ may be
 used with this function.
 In particular, only the schemes `tcp://`, `ipc://`, `inproc://`, and `ws://` are
 supported with this function.
-(Use the <<libnng.3#,modern API>> to use other schemes.)
+(Use the xref:libnng.3.adoc[modern API] to use other schemes.)
 
 == RETURN VALUES
 
@@ -59,9 +59,9 @@ This function returns a positive identifier on success, and -1 on error.
 == SEE ALSO
 
 [.text-left]
-<<nn_connect.3compat#,nn_connect(3compat)>>,
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_shutdown.3compat#,nn_shutdown(3compat)>>,
-<<nn_socket.3compat#,nn_socket(3compat)>>,
-<<nng_compat.3compat#,nn_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_connect.3compat.adoc[nn_connect(3compat)],
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_shutdown.3compat.adoc[nn_shutdown(3compat)],
+xref:nn_socket.3compat.adoc[nn_socket(3compat)],
+xref:nng_compat.3compat.adoc[nn_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_close.3compat.adoc

@@ -29,8 +29,8 @@ Any operations that are currently in progress will be terminated, and will
 fail with error `EBADF`.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 == RETURN VALUES
 
@@ -45,7 +45,7 @@ This function returns zero on success, and -1 on failure.
 == SEE ALSO
 
 [.text-left]
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_socket.3compat#,nn_socket(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_socket.3compat.adoc[nn_socket(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_cmsg.3compat.adoc

@@ -29,12 +29,12 @@ struct nn_cmsghdr {
 == DESCRIPTION
 
 The `nn_cmsghdr` structure describes a block of control data that is
-associated with a message either sent by `<<nn_sendmsg.3compat#,nn_sendmsg()>>`
-or received by `<<nn_recvmsg.3compat#,nn_recvmsg()>>`.
+associated with a message either sent by xref:nn_sendmsg.3compat.adoc[`nn_sendmsg()`]
+or received by xref:nn_recvmsg.3compat.adoc[`nn_recvmsg()`].
 
 NOTE: This structure and supporting macros are provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 Each header is followed by `cmsg_len` bytes of data, plus any padding required
 to align the structure.
@@ -72,7 +72,7 @@ to align for another header.
 == SEE ALSO
 
 [.text-left]
-<<nn_recvmsg.3compat#,nn_recvmsg(3compat)>>,
-<<nn_sendmsg.3compat#,nn_sendmsg(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_recvmsg.3compat.adoc[nn_recvmsg(3compat)],
+xref:nn_sendmsg.3compat.adoc[nn_sendmsg(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_connect.3compat.adoc

@@ -28,12 +28,12 @@ The `nn_connect()` function arranges for the socket _sock_ to
 initiate connection to a peer at the address specified by _url_.
 An "`endpoint identifier`" for this socket's association with the _url_ is
 returned to the caller on success.
-This ID can be used with `<<nn_shutdown.3compat#,nn_shutdown()>>` to
+This ID can be used with xref:nn_shutdown.3compat.adoc[`nn_shutdown()`] to
 "`unbind`" the socket from the address at _url_.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 NOTE: The connect operation is performed asynchronously, and may not have
 completed before this function returns control to the caller.
@@ -42,7 +42,7 @@ IMPORTANT: Only transports supported by legacy _libnanomsg_ may be
 used with this function.
 In particular, only the schemes `tcp://`, `ipc://`, `inproc://`, and `ws://` are
 supported with this function.
-(Use the <<libnng.3#,modern API>> to use other schemes.)
+(Use the xref:libnng.3.adoc[modern API] to use other schemes.)
 
 == RETURN VALUES
 
@@ -58,9 +58,9 @@ This function returns a positive identifier success, and -1 on error.
 == SEE ALSO
 
 [.text-left]
-<<nn_bind.3compat#,nn_bind(3compat)>>,
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_shutdown.3compat#,nn_shutdown(3compat)>>,
-<<nn_socket.3compat#,nn_socket(3compat)>>,
-<<nng_compat.3compat#,nn_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_bind.3compat.adoc[nn_bind(3compat)],
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_shutdown.3compat.adoc[nn_shutdown(3compat)],
+xref:nn_socket.3compat.adoc[nn_socket(3compat)],
+xref:nng_compat.3compat.adoc[nn_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_device.3compat.adoc

@@ -29,13 +29,14 @@ received on one of the two sockets _sock1_ and _sock2_ are forwarded to
 the other.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
-The two sockets must be compatible, and must be <<nng.7#raw_mode,raw mode>>
+The two sockets must be compatible, and must be
+xref:nng.7.adoc#raw_mode[raw mode]
 sockets.
 More detail about devices and how they can be used is available in the
-new style <<nng_device.3#,nng_device()>> documentation.
+new style xref:nng_device.3.adoc[nng_device()] documentation.
 
 == RETURN VALUES
 
@@ -52,7 +53,7 @@ one of the sockets is closed or an error occurs.
 == SEE ALSO
 
 [.text-left]
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_socket.3compat#,nn_socket(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_socket.3compat.adoc[nn_socket(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_errno.3compat.adoc

@@ -28,8 +28,8 @@ The `nn_errno()` function returns the error number corresponding to the
 most recent failed operation by the calling thread.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 IMPORTANT: The error numbers returned from this function may include
 errors caused by system functions, which overlap the usual `errno` variable,
@@ -74,6 +74,6 @@ If no operation has failed, then this will be zero.
 == SEE ALSO
 
 [.text-left]
-<<nn_strerror.3compat#,nn_strerror(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_strerror.3compat.adoc[nn_strerror(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_freemsg.3compat.adoc

@@ -25,11 +25,11 @@ int nn_freemsg(void *msg);
 == DESCRIPTION
 
 The `nn_freemsg()` deallocates a message previously allocated with
-`<<nn_allocmsg.3compat#,nn_allocmsg()>>` or similar functions.
+xref:nn_allocmsg.3compat.adoc[`nn_allocmsg()`] or similar functions.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 == RETURN VALUES
 
@@ -42,8 +42,8 @@ None.
 == SEE ALSO
 
 [.text-left]
-<<nn_allocmsg.3compat#,nn_allocmsg(3compat)>>,
-<<nn_freemsg.3compat#,nn_freemsg(3compat)>>,
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_allocmsg.3compat.adoc[nn_allocmsg(3compat)],
+xref:nn_freemsg.3compat.adoc[nn_freemsg(3compat)],
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_get_statistic.3compat.adoc

@@ -28,8 +28,8 @@ The `nn_get_statistic()` function exists only as a stub, and always returns
 zero.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 == RETURN VALUES
 
@@ -42,5 +42,5 @@ None.
 == SEE ALSO
 
 [.text-left]
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_getsockopt.3compat.adoc

@@ -28,8 +28,8 @@ The `nn_getsockopt()` function gets a socket option on socket _sock_.
 The option retrieved is determined by the _level_ and _option_.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 The value pointed to by _szp_ must be initialized to the size of the buffer
 pointed to by _val_.
@@ -131,7 +131,7 @@ their different application-specific purposes.
 `NN_MAXTTL`::
 Maximum "`hops`" through proxies and devices a message may go through.
 This value, if positive, provides some protection against forwarding loops in
-<<nng_device.3#,device>> chains.
+xref:nng_device.3.adoc[device] chains.
 
 NOTE: Not all protocols offer this protection, so care should still be used
 in configuring device forwarding.
@@ -220,9 +220,9 @@ This function returns zero on success, and -1 on failure.
 == SEE ALSO
 
 [.text-left]
-<<nng_socket.5#,nng_socket(5)>>,
-<<nn_close.3compat#,nn_close(3compat)>>,
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_getsockopt.3compat#,nn_getsockopt(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nng_socket.5.adoc[nng_socket(5)],
+xref:nn_close.3compat.adoc[nn_close(3compat)],
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_getsockopt.3compat.adoc[nn_getsockopt(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_poll.3compat.adoc

@@ -36,8 +36,8 @@ int nn_poll(struct nn_pollfd *pfds, int npfd, int timeout);
 The `nn_poll()` function polls a group of sockets for readiness to send or receive.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 The array of _nfds_ sockets to poll for are passed into _pfds_.
 Each member of this array is initialized with the `fd` field set to
@@ -67,10 +67,10 @@ If the _timeout_ is -1, then the function waits forever, or until one of the
 requested events occurs.
 
 IMPORTANT: This function is only suitable for use with sockets obtained with the
-`<<nn_socket.3compat#,nn_socket()>>` function, and is not compatible
+xref:nn_socket.3compat.adoc[`nn_socket()`] function, and is not compatible
 with file descriptors obtained via any other means.
 This includes file descriptors obtained using the `NN_SNDFD` or `NN_RCVFD`
-options with `<<nn_getsockopt.3compat#,nn_getsockopt()>>`
+options with xref:nn_getsockopt.3compat.adoc[`nn_getsockopt()`]
 
 NOTE: This function is significantly less efficient than other polling
 or asynchronous I/O mechanisms, and is provided for API compatibility only.
@@ -94,9 +94,9 @@ This function returns the number of sockets with events on success, or -1 on err
 == SEE ALSO
 
 [.text-left]
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nn_recv.3compat#,nn_recv(3compat)>>,
-<<nn_send.3compat#,nn_send(3compat)>>,
-<<nn_socket.3compat#,nn_socket(3compat)>>,
-<<nng_compat.3compat#,nn_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nn_recv.3compat.adoc[nn_recv(3compat)],
+xref:nn_send.3compat.adoc[nn_send(3compat)],
+xref:nn_socket.3compat.adoc[nn_socket(3compat)],
+xref:nng_compat.3compat.adoc[nn_compat(3compat)],
+xref:nng.7.adoc[nng(7)]

docs/man/nn_reallocmsg.3compat.adoc

@@ -27,8 +27,8 @@ void *nn_reallocmsg(void *old, size_t size);
 The `nn_reallocmsg()` reallocates the message _old_, making it of size _size_.
 
 NOTE: This function is provided for API
-<<nng_compat.3compat#,compatibility>> with legacy _libnanomsg_.
-Consider using the relevant <<libnng.3#,modern API>> instead.
+xref:nng_compat.3compat.adoc[compatibility] with legacy _libnanomsg_.
+Consider using the relevant xref:libnng.3.adoc[modern API] instead.
 
 On success, the contents of _old_ are copied into the new message
 (truncating if appropriate), then _old_ is deallocated, and a pointer
@@ -52,8 +52,8 @@ on failure.
 == SEE ALSO
 
 [.text-left]
-<<nn_allocmsg.3compat#,nn_allocmsg(3compat)>>,
-<<nn_freemsg.3compat#,nn_freemsg(3compat)>>,
-<<nn_errno.3compat#,nn_errno(3compat)>>,
-<<nng_compat.3compat#,nng_compat(3compat)>>,
-<<nng.7#,nng(7)>>
+xref:nn_allocmsg.3compat.adoc[nn_allocmsg(3compat)],
+xref:nn_freemsg.3compat.adoc[nn_freemsg(3compat)],
+xref:nn_errno.3compat.adoc[nn_errno(3compat)],
+xref:nng_compat.3compat.adoc[nng_compat(3compat)],
+xref:nng.7.adoc[nng(7)]