revert all changes to SPEC

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

Author: jkowalleck

PURL-SPECIFICATION.rst

@@ -418,7 +418,7 @@ To parse a ``purl`` string in its components:
   - The left side lowercased is the ``scheme``
   - The right side is the ``remainder``
 
-- Strip all leading '/' characters (e.g., '/', '//', '///' and
+- Strip all leading and trailing '/' characters (e.g., '/', '//', '///' and
   so on) from the ``remainder``
 
   - Split this once from left on '/'
@@ -432,18 +432,20 @@ To parse a ``purl`` string in its components:
   - UTF-8-decode the ``version`` if needed in your programming language
   - This is the ``version``
 
-- Strip all trailing '/' characters (e.g., '/', '//', '///' and
-  so on) from the ``remainder``
+- Split the ``remainder`` once from right on '/'
 
-  - Split this once from right on '/'
   - The left side is the ``remainder``
-  - Percent-decode the right side.
+  - Strip all leading characters (e.g., '/', '//' and so on)
+    from the right side
+  - Percent-decode the right side. This is the ``name``
   - UTF-8-decode this ``name`` if needed in your programming language
   - Apply type-specific normalization to the ``name`` if needed
   - This is the ``name``
 
 - Split the ``remainder`` on '/'
 
+  - Strip all leading '/' characters (e.g., '/', '//' and so on)
+    from that split
   - Discard any empty segment from that split
   - Percent-decode each segment
   - UTF-8-decode each segment if needed in your programming language