http://www.w3.org/ns/prov#value | - g accents) which is considered to be outside the scope of CSS (applying accents is in the scope of Unicode standard that defines set of combining diacritical marks for this purpose, kerning is left up to font designers and is not adjustable via CSS, spacing is left up to authors or authoring tools, stretching is a problem but in some cases it is sufficient to resize operators, in some cases like l
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