more .adoc markup fixes.

This is mostly mechanical-ish fixups to adjust markup style
for cross references. A bit of care and feeding needed, so
we haven't finished the list, but this gets a significant chunk
of them.

1 files changed, 5 insertions, 5 deletions

diff --git a/docs/man/nng_aio_free.3.adoc b/docs/man/nng_aio_free.3.adoc
index da45eff2..31c75414 100644
--- a/docs/man/nng_aio_free.3.adoc
+++ b/docs/man/nng_aio_free.3.adoc
@@ -28,7 +28,7 @@ The `nng_aio_free()` function frees an allocated asynchronous I/O handle.
 If any operation is in progress, the operation is canceled, and the
 caller is blocked until the operation is completely canceled, to ensure
 that it is safe to deallocate the handle and any associated resources.
-(This is done by implicitly calling `<<nng_aio_stop.3#,nng_aio_stop()>>`.)
+(This is done by implicitly calling xref:nng_aio_stop.3.adoc[`nng_aio_stop()`].)
 
 == RETURN VALUES
 
@@ -41,7 +41,7 @@ None.
 == SEE ALSO
 
 [.text-left]
-<<nng_aio_alloc.3#,nng_aio_alloc(3)>>,
-<<nng_aio_stop.3#,nng_aio_stop(3)>>,
-<<nng_aio.5#,nng_aio(5)>>,
-<<nng.7#,nng(7)>>
+xref:nng_aio_alloc.3.adoc[nng_aio_alloc(3)],
+xref:nng_aio_stop.3.adoc[nng_aio_stop(3)],
+xref:nng_aio.5.adoc[nng_aio(5)],
+xref:nng.7.adoc[nng(7)]