Remove trailing whitespace at end of line

With the exception of test output files no text file should have extra
whitesapce and the end of line.

contrib/pg_tde/documentation/_resource/overrides/main.html

@@ -4,7 +4,7 @@
 {% extends "base.html" %}
 
 {% block announce %}
-  This is a Release Candidate of Percona Transparent Data Encryption extension and it is 
+  This is a Release Candidate of Percona Transparent Data Encryption extension and it is
   <strong>not recommended for production environments</strong> yet. We encourage you to test it and <a href= "https://forums.percona.com/c/postgresql/pg-tde-transparent-data-encryption-tde/82">give your feedback</a>.
   This will help us improve the product and make it production-ready faster.
 {% endblock %}
@@ -13,7 +13,7 @@
 <script src="https://cmp.osano.com/Azqe5vTyLOSbN3OuT/49ad85b5-0418-4794-ab81-7599dddd534c/osano.js"></script>
 {{ super() }}
 {% endblock %}
-              
+
                  {% block extrahead %}
                  {{ super() }}
                  {% set title = config.site_name %}
@@ -27,7 +27,7 @@
                  <meta property="og:image" content="https://docs.percona.com/pg-tde/_images/pg_tde.png">
                  <meta property="og:url" content="https://docs.percona.com/pg-tde/">
      {% endblock %}
- 
+
 {% block site_nav %}
                  {% if nav %}
                    {% if page.meta and page.meta.hide %}
@@ -39,7 +39,7 @@
                          {% include "partials/nav.html" %}
                          <br>
                          <label class="md-nav__title" for="__drawer">
-       </label> 
+                         </label>
                        </div>
                      </div>
                    </div>

contrib/pg_tde/documentation/docs/css/design.css

@@ -93,7 +93,7 @@
 
     /* Accent */
     --md-accent-fg-color: var(--sky500);
-    
+
     /* Footer */
     --md-footer-fg-color: var(--stone900);
     --md-footer-fg-color--light: rgba(44,50,62,0.72);

contrib/pg_tde/documentation/docs/css/extra.css

@@ -5,7 +5,7 @@
     left: 0.6rem;
   }
 
-} 
+}
 
 .md-sidebar__inner {
   font-size: 0.65rem;   /* Font size */

contrib/pg_tde/documentation/docs/css/landing.css

@@ -249,7 +249,7 @@ a.splash-card img {
     line-height: 1.4;
     display: -webkit-box;
     -webkit-line-clamp: 3;
-    -webkit-box-orient: vertical;  
+    -webkit-box-orient: vertical;
     overflow: hidden;
     text-overflow: ellipsis;
     max-height: 2.8em;

contrib/pg_tde/documentation/docs/css/osano.css

@@ -14,7 +14,7 @@
 .osano-cm-dialog {
     font-size: 0.75em;
     padding: 2em 1em;
-    color: var(--md-typeset-color);	
+    color: var(--md-typeset-color);
     background: var(--md-footer-bg-color--dark);
 }
 .osano-cm-header,

contrib/pg_tde/documentation/mkdocs.yml

@@ -125,7 +125,7 @@ plugins:
           debug_html: false
 #          two_columns_level: 3
           custom_template_path: _resource/templates
-          enabled_if_env: ENABLE_PDF_EXPORT   
+          enabled_if_env: ENABLE_PDF_EXPORT
 
 extra:
   version:
@@ -144,8 +144,8 @@ extra:
         - icon: material/emoticon-sad-outline
           name: This page could be improved
           data: 0
-          note: >- 
-            Thank you for your feedback! Help us improve by using our 
+          note: >-
+            Thank you for your feedback! Help us improve by using our
             <a href="https://docs.google.com/forms/d/1bkWACehjqlwA0AKf-qTJcXvYbOSYgze8iTPXjntqmNo/edit" target="_blank" rel="noopener">
             feedback form</a>.
 
@@ -156,7 +156,7 @@ nav:
   - Get started:
     - "1. Install": "install.md"
     - "Via apt": apt.md
-    - "Via yum": yum.md   
+    - "Via yum": yum.md
     - "2. Set up": "setup.md"
     - "3. Configure WAL encryption (tech preview)": wal-encryption.md
     - "4. Test TDE": "test.md"

contrib/pg_tde/expected/change_access_method.out

@@ -16,7 +16,6 @@ CREATE TABLE country_table (
      country_name varchar(32) unique not null,
      continent    varchar(32) not null
 ) USING tde_heap;
- 
 INSERT INTO country_table (country_name, continent)
      VALUES ('Japan', 'Asia'),
             ('UK', 'Europe'),
@@ -49,7 +48,7 @@ SELECT pg_tde_is_encrypted('country_table_pkey');
 
 -- Try changing the encrypted table to an unencrypted table
 ALTER TABLE country_table SET ACCESS METHOD heap;
--- Insert some more data 
+-- Insert some more data
 INSERT INTO country_table (country_name, continent)
      VALUES ('France', 'Europe'),
             ('Germany', 'Europe'),
@@ -158,7 +157,6 @@ CREATE TABLE country_table3 (
      continent    text not null
 ) USING heap;
 ERROR:  pg_tde.enforce_encryption is ON, only the tde_heap access method is allowed.
- 
 ALTER TABLE country_table SET ACCESS METHOD heap;
 ERROR:  pg_tde.enforce_encryption is ON, only the tde_heap access method is allowed.
 ALTER TABLE country_table2 SET ACCESS METHOD tde_heap;

contrib/pg_tde/expected/default_principal_key.out

@@ -10,7 +10,7 @@ SELECT pg_tde_add_global_key_provider_file('file-provider','/tmp/pg_tde_regressi
 SELECT pg_tde_verify_default_key();
 ERROR:  principal key not configured for current database
 -- Should fail: no default principal key for the server yet
-SELECT key_provider_id, key_provider_name, key_name 
+SELECT key_provider_id, key_provider_name, key_name
 		FROM pg_tde_default_key_info();
 ERROR:  Principal key does not exists for the database
 HINT:  Use set_key interface to set the principal key
@@ -26,7 +26,7 @@ SELECT pg_tde_verify_default_key();
  
 (1 row)
 
-SELECT key_provider_id, key_provider_name, key_name 
+SELECT key_provider_id, key_provider_name, key_name
 		FROM pg_tde_default_key_info();
  key_provider_id | key_provider_name |  key_name   
 -----------------+-------------------+-------------
@@ -48,7 +48,6 @@ SELECT  key_provider_id, key_provider_name, key_name
 		FROM pg_tde_key_info();
 ERROR:  Principal key does not exists for the database
 HINT:  Use set_key interface to set the principal key
- 
 -- Should succeed: "localizes" the default principal key for the database
 CREATE TABLE test_enc(
 	id SERIAL,

contrib/pg_tde/sql/change_access_method.sql

@@ -8,7 +8,7 @@ CREATE TABLE country_table (
      country_name varchar(32) unique not null,
      continent    varchar(32) not null
 ) USING tde_heap;
- 
+
 INSERT INTO country_table (country_name, continent)
      VALUES ('Japan', 'Asia'),
             ('UK', 'Europe'),
@@ -22,7 +22,7 @@ SELECT pg_tde_is_encrypted('country_table_pkey');
 -- Try changing the encrypted table to an unencrypted table
 ALTER TABLE country_table SET ACCESS METHOD heap;
 
--- Insert some more data 
+-- Insert some more data
 INSERT INTO country_table (country_name, continent)
      VALUES ('France', 'Europe'),
             ('Germany', 'Europe'),
@@ -78,7 +78,7 @@ CREATE TABLE country_table3 (
      country_name text unique not null,
      continent    text not null
 ) USING heap;
- 
+
 ALTER TABLE country_table SET ACCESS METHOD heap;
 ALTER TABLE country_table2 SET ACCESS METHOD tde_heap;
 

contrib/pg_tde/sql/default_principal_key.sql

@@ -7,13 +7,13 @@ SELECT pg_tde_add_global_key_provider_file('file-provider','/tmp/pg_tde_regressi
 SELECT pg_tde_verify_default_key();
 
 -- Should fail: no default principal key for the server yet
-SELECT key_provider_id, key_provider_name, key_name 
+SELECT key_provider_id, key_provider_name, key_name
 		FROM pg_tde_default_key_info();
 
 SELECT pg_tde_set_default_key_using_global_key_provider('default-key', 'file-provider', false);
 SELECT pg_tde_verify_default_key();
 
-SELECT key_provider_id, key_provider_name, key_name 
+SELECT key_provider_id, key_provider_name, key_name
 		FROM pg_tde_default_key_info();
 
 -- fails
@@ -23,7 +23,7 @@ SELECT id, provider_name FROM pg_tde_list_all_global_key_providers();
 -- Should fail: no principal key for the database yet
 SELECT  key_provider_id, key_provider_name, key_name
 		FROM pg_tde_key_info();
- 
+
 -- Should succeed: "localizes" the default principal key for the database
 CREATE TABLE test_enc(
 	id SERIAL,