Usage of character references in generated content

Are character references allowed in generated content, in other words
should they be parsed by a UA?

(Opera does, Moz doesn't)


Headless

Headless wrote in news:stnigvg8reavv4434n9q3spn5csli3c55u (AT) 4ax (DOT) com:

Are character references allowed in generated content, in other
words should they be parsed by a UA?

<URL:http://www.w3.org/TR/CSS2/syndata.html#q24>

# Note. In HTML 4.0, numeric character references are interpreted in
# "style" attribute values but not in the content of the STYLE
# element. Because of this asymmetry, we recommend that authors use
# the CSS character escape mechanism rather than numeric character
# references for both the "style" attribute and the STYLE element.
# For example, we recommend:
#
# <SPAN style="voice-family: D\FC rst">...</SPAN>
#
# rather than:
#
# <SPAN style="voice-family: Dürst">...</SPAN>

and <URL:http://www.w3.org/TR/CSS2/syndata.html#escaped-characters>

# In CSS2, a backslash (\) character indicates three types of
# character escapes.

Thus: If you want unicode references you should use the hexadecimal
numeric value, prepended by \. Example:

ul li a:before {
content: "\25B9\00A0";
}


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