Commas not correctly processed when values are passed through the URL!!!!!!

I think this is a bug. Any information about this will be greatly appreciated. Here's the scenario:
There's a single page with 2 regions. The first region contains a simple SQL report. The second region is and HTML region that contains text and date form elements. The SQL report has a column link "Edit" that when pressed it populates form elements in the HTML region. The population of the form elements is done by passing the column values of the select row as variables along the URL. The problem is that commas within column value text are processed as delimiters in the URL. From my understanding and documentation, variables and their values are supposed to look like this:
f?p=6000:6004:&APP_SESSION.::NO:6003:MY_ITEM1,MY_ITEM2,MY_ITEM3:1234,,5678
where MY_ITEM1 will be set to 1234, MY_ITEM2 will be set to null and MY_ITEM3 will be set to 5678 (The URL was copied directly from the Apex 3.0 documentation without modification).
However if the first value is text (lets say "some,thing") that contains a comma, then MY_ITEM1 will be set to the text preceding the comma in the first value (some), the MY_ITEM2 will be set to the text that comes after the comma in the first value (thing) NOT null and MY_ITEM3 will be set to null NOT 5678. Clearly, one would think that the comma in the first value should be escaped given that commas are used as delimiters of values in this URL scheme.
The URL looks like this:
f?p=6000:6004:&APP_SESSION.::NO:6003:MY_ITEM1,MY_ITEM2,MY_ITEM3:some%2Cthing%2C%2C5678
However the URL should look like this:
f?p=6000:6004:&APP_SESSION.::NO:6003:MY_ITEM1,MY_ITEM2,MY_ITEM3:some%2Cthing,,5678
where MY_ITEM1 is set to "some,thing", MY_ITEM2 is null and MY_ITEM3 is set to 5678
What does all this mean? This means that the escaped commas (%2C) are used as delimiters for the values. Additionally, any information that is passed that contains a comma will have it's comma escaped as well AND still considered as delimiters for values in the URL. Not to mention it's inconsistent with the official documentation.

Never mind... problem solved.
In the Apex docs says that you can embed commas if used within backslashes like: \123,45\.
So in order to pass text that has a comma through the URL, one must force Apex to code the URL like this (assuming that the text is coming from a report):
f?p=6000:6004:&APP_SESSION.::NO:6003:MY_ITEM1,MY_ITEM2,MY_ITEM3:\#A_COLUMN#\,,5678
Sorry... no bug. :)

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