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Can `、` join two complete sentences? In other words, can `、` replace `。`?

I thought it could, but in [this
answer](https://japanese.stackexchange.com/a/11812/1478), user1205935 seems to
suggest that it cannot. (Rather than ask about it in a comment, I decided to
make a separate question about it.)

Here are a pair of examples:

  1. Aと言う。Bと言う。
  2. Aと言う、Bと言う。

Is example 2 ungrammatical?
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question
punctuation
Can a 読点{とうてん} ("comma") join two complete sentences?
Normally, I think there would need to be some sort of connecting form
（て、し、り、など）before the comma on your example #2, as noted by Darius Jahandarie.

If you do need to combine sentences like in your example #2, you would
probably want to find a way to clarify to the reader _(or audience)_ what you
are really wanting to say, as well.

For example, you might want to add some sort of noun or phrase after each という
(or at least after the last という) so that the reader _(or audience)_ knows what
you are trying to say-- _otherwise, the example #2 sentence makes me wonder if
you mean the A thing... or the B thing... (unless you explain how A and B
relate --perhaps A and B are a respective series or are labels of something?)_
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answer
Based on [a document from
文部省](http://www.bunka.go.jp/kokugo_nihongo/joho/kijun/sanko/pdf/kugiri.pdf),
it's not ungrammatical, and it's a pattern used only when the two parts of the
sentence (before and after the 読点) have the same structure (like those in your
example).

Examples:

> 父も喜んだ、母も喜んだ。  
>  クリモキマシタ、ハチモキマシタ、ウスモキマシタ。

Here is the brief explanation it gives:

> 終止の形をとつてゐても、その文意が続く場合にはテンをうつ。
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answer