[rfc-i] Imbedded XML in PDF/A3

Tony Hansen tony at att.com
Fri Oct 31 13:25:13 PDT 2014

On 10/31/14, 3:33 PM, Joe Hildebrand (jhildebr) wrote:
> On 10/29/14, 8:44 PM, ""Martin J. Dürst"" <duerst at it.aoyama.ac.jp> wrote:
>> On 2014/10/30 05:17, Joe Hildebrand (jhildebr) wrote:
>>> I'm working on doing this for HTML as well.  Since the XML might include
>>> comments (particularly while it's an I-D), and I want to embed this
>>> *in* a
>>> comment, I was thinking about base64-encoding.  I see the usefulness of
>>> the XML being more easily-discovered, however, so what about turning the
>>> XML comment markers from "<!--" to "<!- -"?
>> Yes.
> I tried that, and luckily I had an example that included a long string of
> dashes. The simple s/--/- -/g replacement on "----" produces "- -- -".
> http://www.w3.org/TR/html-markup/syntax.html#comments says:
> Comments... must not contain the string "--"
> What about using "&#x2d;&#x2d;"?  I guess I could also apply s/--/- -/g
> twice, but that's harder to reverse reliably.

You'd also have to quote & to prevent false reversals.

Shudder -- how about quoted printable?


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