Fix some pod-page ordering nits

The find-doc-nits script only looked for EXAMPLES, not EXAMPLE.
Fix the pattern and then fix the errors that resulted.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/9602)

4 files changed, 40 insertions, 39 deletions

diff --git a/doc/man3/BIO_f_ssl.pod b/doc/man3/BIO_f_ssl.pod
index ba44133023..82bb16c5ba 100644
--- a/doc/man3/BIO_f_ssl.pod
+++ b/doc/man3/BIO_f_ssl.pod
@@ -129,9 +129,25 @@ BIO_set_ssl(), BIO_get_ssl(), BIO_set_ssl_mode(),
 BIO_set_ssl_renegotiate_bytes(), BIO_set_ssl_renegotiate_timeout(),
 BIO_get_num_renegotiates(), and BIO_do_handshake() are implemented as macros.
 
-=head1 EXAMPLE
+=head1 RETURN VALUES
+
+BIO_f_ssl() returns the SSL B<BIO_METHOD> structure.
+
+BIO_set_ssl(), BIO_get_ssl(), BIO_set_ssl_mode(), BIO_set_ssl_renegotiate_bytes(),
+BIO_set_ssl_renegotiate_timeout() and BIO_get_num_renegotiates() return 1 on
+success or a value which is less than or equal to 0 if an error occurred.
+
+BIO_new_ssl(), BIO_new_ssl_connect() and BIO_new_buffer_ssl_connect() return
+a valid B<BIO> structure on success or B<NULL> if an error occurred.
+
+BIO_ssl_copy_session_id() returns 1 on success or 0 on error.
+
+BIO_do_handshake() returns 1 if the connection was established successfully.
+A zero or negative value is returned if the connection could not be established.
+
+=head1 EXAMPLES
 
-This SSL/TLS client example, attempts to retrieve a page from an
+This SSL/TLS client example attempts to retrieve a page from an
 SSL/TLS web server. The I/O routines are identical to those of the
 unencrypted example in L<BIO_s_connect(3)>.
 
@@ -271,22 +287,6 @@ a client and also echoes the request to standard output.
  BIO_flush(sbio);
  BIO_free_all(sbio);
 
-=head1 RETURN VALUES
-
-BIO_f_ssl() returns the SSL B<BIO_METHOD> structure.
-
-BIO_set_ssl(), BIO_get_ssl(), BIO_set_ssl_mode(), BIO_set_ssl_renegotiate_bytes(),
-BIO_set_ssl_renegotiate_timeout() and BIO_get_num_renegotiates() return 1 on
-success or a value which is less than or equal to 0 if an error occurred.
-
-BIO_new_ssl(), BIO_new_ssl_connect() and BIO_new_buffer_ssl_connect() return
-a valid B<BIO> structure on success or B<NULL> if an error occurred.
-
-BIO_ssl_copy_session_id() returns 1 on success or 0 on error.
-
-BIO_do_handshake() returns 1 if the connection was established successfully.
-A zero or negative value is returned if the connection could not be established.
-
 =head1 HISTORY
 
 In OpenSSL before 1.0.0 the BIO_pop() call was handled incorrectly,
diff --git a/doc/man3/BIO_s_mem.pod b/doc/man3/BIO_s_mem.pod
index 7cb9efa92c..b7c6fdf860 100644
--- a/doc/man3/BIO_s_mem.pod
+++ b/doc/man3/BIO_s_mem.pod
@@ -118,7 +118,16 @@ BIO_FLAGS_NONCLEAR_RST set has the same effect as a write operation.
 
 There should be an option to set the maximum size of a memory BIO.
 
-=head1 EXAMPLE
+=head1 RETURN VALUES
+
+BIO_s_mem() and BIO_s_secmem() return a valid memory B<BIO_METHOD> structure.
+
+BIO_set_mem_eof_return(), BIO_get_mem_data(), BIO_set_mem_buf() and BIO_get_mem_ptr()
+return 1 on success or a value which is less than or equal to 0 if an error occurred.
+
+BIO_new_mem_buf() returns a valid B<BIO> structure on success or NULL on error.
+
+=head1 EXAMPLES
 
 Create a memory BIO and write some data to it:
 
@@ -139,14 +148,6 @@ Extract the BUF_MEM structure from a memory BIO and then free up the BIO:
  BIO_set_close(mem, BIO_NOCLOSE); /* So BIO_free() leaves BUF_MEM alone */
  BIO_free(mem);
 
-=head1 RETURN VALUES
-
-BIO_s_mem() and BIO_s_secmem() return a valid memory B<BIO_METHOD> structure.
-
-BIO_set_mem_eof_return(), BIO_get_mem_data(), BIO_set_mem_buf() and BIO_get_mem_ptr()
-return 1 on success or a value which is less than or equal to 0 if an error occurred.
-
-BIO_new_mem_buf() returns a valid B<BIO> structure on success or NULL on error.
 
 =head1 COPYRIGHT
 
diff --git a/doc/man3/BIO_set_callback.pod b/doc/man3/BIO_set_callback.pod
index a420267a4c..afa482d4a6 100644
--- a/doc/man3/BIO_set_callback.pod
+++ b/doc/man3/BIO_set_callback.pod
@@ -211,11 +211,6 @@ the actual call parameter, see B<BIO_callback_ctrl>.
 
 =back
 
-=head1 EXAMPLE
-
-The BIO_debug_callback() function is a good example, its source is
-in crypto/bio/bio_cb.c
-
 =head1 RETURN VALUES
 
 BIO_get_callback_ex() and BIO_get_callback() return the callback function
@@ -228,6 +223,11 @@ via a call to BIO_set_callback_arg().
 BIO_debug_callback() returns 1 or B<ret> if it's called after specific BIO
 operations.
 
+=head1 EXAMPLE
+
+The BIO_debug_callback() function is a good example, its source is
+in crypto/bio/bio_cb.c
+
 =head1 COPYRIGHT
 
 Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
diff --git a/doc/man3/SSL_CTX_get0_param.pod b/doc/man3/SSL_CTX_get0_param.pod
index ff9706455f..795bbf03b1 100644
--- a/doc/man3/SSL_CTX_get0_param.pod
+++ b/doc/man3/SSL_CTX_get0_param.pod
@@ -29,13 +29,6 @@ Typically parameters are retrieved from an B<SSL_CTX> or B<SSL> structure
 using SSL_CTX_get0_param() or SSL_get0_param() and an application modifies
 them to suit its needs: for example to add a hostname check.
 
-=head1 EXAMPLE
-
-Check hostname matches "www.foo.com" in peer certificate:
-
- X509_VERIFY_PARAM *vpm = SSL_get0_param(ssl);
- X509_VERIFY_PARAM_set1_host(vpm, "www.foo.com", 0);
-
 =head1 RETURN VALUES
 
 SSL_CTX_get0_param() and SSL_get0_param() return a pointer to an
@@ -44,6 +37,13 @@ B<X509_VERIFY_PARAM> structure.
 SSL_CTX_set1_param() and SSL_set1_param() return 1 for success and 0
 for failure.
 
+=head1 EXAMPLE
+
+Check hostname matches "www.foo.com" in peer certificate:
+
+ X509_VERIFY_PARAM *vpm = SSL_get0_param(ssl);
+ X509_VERIFY_PARAM_set1_host(vpm, "www.foo.com", 0);
+
 =head1 SEE ALSO
 
 L<X509_VERIFY_PARAM_set_flags(3)>