doc: reference each other in the man pages of head and tail

* man/head.x: Add "SEE ALSO" section referencing tail(1).
* man/tail.x: Add "SEE ALSO" section referencing head(1).

Suggested by Dan Jacobson in http://bugs.gnu.org/22041

diff --git a/man/head.x b/man/head.x
index 160d0fff2e68038bb5e94ead1b6c0ebd70b8e09b..53d2662de7eaf6c944870a89fd86e3107c181f14 100644 (file)
--- a/man/head.x
+++ b/man/head.x
@@ -2,3 +2,5 @@
 head \- output the first part of files
 [DESCRIPTION]
 .\" Add any additional description here
+[SEE ALSO]
+tail(1)

diff --git a/man/tail.x b/man/tail.x
index 2ede04c829ef412d71a761f081150266f83a6f56..68f27820c39b6ac3b7e47a24bd383ce7e70fc2e3 100644 (file)
--- a/man/tail.x
+++ b/man/tail.x
@@ -2,3 +2,5 @@
 tail \- output the last part of files
 [DESCRIPTION]
 .\" Add any additional description here
+[SEE ALSO]
+head(1)