Allow man pages to link to each other

handler/mac/crashpad_handler.ad

Index: handler/mac/crashpad_handler.ad
diff --git a/handler/mac/crashpad_handler.ad b/handler/mac/crashpad_handler.ad
index 068dd4822ebc93f877c92a3d6b8c6febec570673..d8ec2ad7465730315b689a84eedb2de3b6e8778f 100644
--- a/handler/mac/crashpad_handler.ad
+++ b/handler/mac/crashpad_handler.ad
@@ -37,8 +37,9 @@ exception messages. When the receive right loses all senders, the server exits.
 
 It is not normally appropriate to invoke this program directly. Usually, it will
 be invoked by a Crashpad client using the Crashpad client library. Arbitrary
-programs may be run with a Crashpad handler by using run_with_crashpad(1) to
-establish the Crashpad client environment before running a program.
+programs may be run with a Crashpad handler by using
+man_link:run_with_crashpad[1] to establish the Crashpad client environment
+before running a program.
 
 == Options
 *-h*, *--handshake-fd*='FD'::
@@ -60,8 +61,8 @@ Failure, with a message printed to the standard error stream.
 
 == See Also
 
-catch_exception_tool(1),
-generate_dump(1),
-run_with_crashpad(1)
+man_link:catch_exception_tool[1],
+man_link:generate_dump[1],
+man_link:run_with_crashpad[1]
 
 include::../../doc/man_footer.ad[]