all: fix typos in documentation and comments

https://bugzilla.gnome.org/show_bug.cgi?id=780199

[thaller@redhat.com: reworded commit message]

data/server.conf.in

@@ -1,4 +1,4 @@
-# This configuration file, when placed into into
+# This configuration file, when placed into
 # @sysconfdir@/NetworkManager/conf.d will change NetworkManager's
 # behavior to what's expected on "traditional UNIX server" type
 # deployments.

libnm-core/nm-setting-8021x.c

@@ -4566,7 +4566,7 @@ nm_setting_802_1x_class_init (NMSetting8021xClass *setting_class)
 	 * property must be set to password used to decrypt the PKCS#<!-- -->12
 	 * certificate and key. When using PKCS#<!-- -->12 files and the path
 	 * scheme, this property should be set to the full UTF-8 encoded path of the
-	 * key, prefixed with the string "file://" and and ending with a terminating
+	 * key, prefixed with the string "file://" and ending with a terminating
 	 * NUL byte, and as with the blob scheme the "private-key-password" property
 	 * must be set to the password used to decode the PKCS#<!-- -->12 private
 	 * key and certificate.
@@ -4658,7 +4658,7 @@ nm_setting_802_1x_class_init (NMSetting8021xClass *setting_class)
 	 * property must be set to password used to decrypt the PKCS#<!-- -->12
 	 * certificate and key. When using PKCS#<!-- -->12 files and the path
 	 * scheme, this property should be set to the full UTF-8 encoded path of the
-	 * key, prefixed with the string "file://" and and ending with a terminating
+	 * key, prefixed with the string "file://" and ending with a terminating
 	 * NUL byte, and as with the blob scheme the
 	 * #NMSetting8021x:phase2-private-key-password property must be set to the
 	 * password used to decode the PKCS#<!-- -->12 private key and certificate.

libnm-core/nm-setting-macsec.c

@@ -251,7 +251,7 @@ verify_macsec_key (const char *key, gboolean cak, GError **error)
 		g_set_error_literal (error,
 		                     NM_CONNECTION_ERROR,
 		                     NM_CONNECTION_ERROR_INVALID_PROPERTY,
-		                     _("the key contais non-hexadecimal characters"));
+		                     _("the key contains non-hexadecimal characters"));
 		return FALSE;
 	}
 

libnm-core/nm-setting-wireless-security.c

@@ -182,7 +182,7 @@ nm_setting_wireless_security_get_proto (NMSettingWirelessSecurity *setting, guin
  * by this connection only supports WPA2/RSN, the connection cannot be used
  * with the access point.
  *
- * Returns: %TRUE if the protocol was new and and was added to the allowed
+ * Returns: %TRUE if the protocol was new and was added to the allowed
  * protocol list, or %FALSE if it was already in the list
  **/
 gboolean
@@ -236,7 +236,7 @@ nm_setting_wireless_security_remove_proto (NMSettingWirelessSecurity *setting, g
  *
  * Removes a protocol from the allowed protocol list.
  *
- * Returns: %TRUE if the protocol was found and removed; %FALSE it it was not.
+ * Returns: %TRUE if the protocol was found and removed; %FALSE if it was not.
  **/
 gboolean
 nm_setting_wireless_security_remove_proto_by_value (NMSettingWirelessSecurity *setting,
@@ -382,7 +382,7 @@ nm_setting_wireless_security_remove_pairwise (NMSettingWirelessSecurity *setting
  * Removes an encryption algorithm from the allowed pairwise encryption
  * algorithm list.
  *
- * Returns: %TRUE if the encryption algorith was found and removed; %FALSE it it was not.
+ * Returns: %TRUE if the encryption algorith was found and removed; %FALSE if it was not.
  **/
 gboolean
 nm_setting_wireless_security_remove_pairwise_by_value (NMSettingWirelessSecurity *setting,
@@ -530,7 +530,7 @@ nm_setting_wireless_security_remove_group (NMSettingWirelessSecurity *setting, g
  * Removes an encryption algorithm from the allowed groupwise encryption
  * algorithm list.
  *
- * Returns: %TRUE if the algorithm was found and removed; %FALSE it it was not.
+ * Returns: %TRUE if the algorithm was found and removed; %FALSE if it was not.
  **/
 gboolean
 nm_setting_wireless_security_remove_group_by_value (NMSettingWirelessSecurity *setting,

libnm-util/nm-setting-8021x.c

@@ -3560,7 +3560,7 @@ nm_setting_802_1x_class_init (NMSetting8021xClass *setting_class)
 	 * #NMSetting8021x:private-key-password property must be set to password
 	 * used to decrypt the PKCS#<!-- -->12 certificate and key. When using PKCS#<!-- -->12 files
 	 * and the path scheme, this property should be set to the full UTF-8
-	 * encoded path of the key, prefixed with the string "file://" and and
+	 * encoded path of the key, prefixed with the string "file://" and
 	 * ending with a terminating NUL byte, and as with the blob scheme the
 	 * "private-key-password" property must be set to the password used to
 	 * decode the PKCS#<!-- -->12 private key and certificate.
@@ -3632,7 +3632,7 @@ nm_setting_802_1x_class_init (NMSetting8021xClass *setting_class)
 	 * password used to decrypt the PKCS#<!-- -->12 certificate and key. When using
 	 * PKCS#<!-- -->12 files and the path scheme, this property should be set to the
 	 * full UTF-8 encoded path of the key, prefixed with the string "file://"
-	 * and and ending with a terminating NUL byte, and as with the blob scheme
+	 * and ending with a terminating NUL byte, and as with the blob scheme
 	 * the #NMSetting8021x:phase2-private-key-password property must be set to
 	 * the password used to decode the PKCS#<!-- -->12 private key and certificate.
 	 *

libnm-util/nm-setting-wireless-security.c

@@ -206,7 +206,7 @@ nm_setting_wireless_security_get_proto (NMSettingWirelessSecurity *setting, guin
  * by this connection only supports WPA2/RSN, the connection cannot be used
  * with the access point.
  *
- * Returns: %TRUE if the protocol was new and and was added to the allowed
+ * Returns: %TRUE if the protocol was new and was added to the allowed
  * protocol list, or %FALSE if it was already in the list
  **/
 gboolean
@@ -260,7 +260,7 @@ nm_setting_wireless_security_remove_proto (NMSettingWirelessSecurity *setting, g
  *
  * Removes a protocol from the allowed protocol list.
  *
- * Returns: %TRUE if the protocol was found and removed; %FALSE it it was not.
+ * Returns: %TRUE if the protocol was found and removed; %FALSE if it was not.
  *
  * Since: 0.9.10
  **/
@@ -408,7 +408,7 @@ nm_setting_wireless_security_remove_pairwise (NMSettingWirelessSecurity *setting
  * Removes an encryption algorithm from the allowed pairwise encryption
  * algorithm list.
  *
- * Returns: %TRUE if the encryption algorith was found and removed; %FALSE it it was not.
+ * Returns: %TRUE if the encryption algorith was found and removed; %FALSE if it was not.
  *
  * Since: 0.9.10
  **/
@@ -558,7 +558,7 @@ nm_setting_wireless_security_remove_group (NMSettingWirelessSecurity *setting, g
  * Removes an encryption algorithm from the allowed groupwise encryption
  * algorithm list.
  *
- * Returns: %TRUE if the algorithm was found and removed; %FALSE it it was not.
+ * Returns: %TRUE if the algorithm was found and removed; %FALSE if it was not.
  *
  * Since: 0.9.10
  **/

src/devices/nm-device.c

@@ -5685,7 +5685,7 @@ connection_requires_carrier (NMConnection *connection)
 			return TRUE;
 	}
 
-	/* If an IP version wants a carrier and and the other IP version isn't
+	/* If an IP version wants a carrier and the other IP version isn't
 	 * used, the connection requires carrier since it will just fail without one.
 	 */
 	if (ip4_carrier_wanted && !ip6_used)

src/settings/nm-agent-manager.c

@@ -178,7 +178,7 @@ remove_agent (NMAgentManager *self, const char *owner)
 	while (g_hash_table_iter_next (&iter, &data, NULL))
 		request_remove_agent ((Request *) data, agent, &pending_reqs);
 
-	/* We cannot call request_next_agent() from from within hash iterating loop,
+	/* We cannot call request_next_agent() from within hash iterating loop,
 	 * because it may remove the request from the hash table, which invalidates
 	 * the iterator. So, only remove the agent from requests. And store the requests
 	 * that should be sent to other agent to a temporary list to proceed afterwards.