[FIG(quote)[
[FIGCAPTION[
[1] [CITE[CI Plus Specification. Content Security Extensions to the Common Interface]]
([TIME[2011-02-04 01:33:37 +09:00]] 版)
<http://www.ci-plus.com/data/ci-plus_specification_v1.3.pdf#page=145>
]FIGCAPTION]

> CIEngineProfile1 has full conformance with D-Book 5.0 [23], section 15. except as documented in the
> following sections. These replace sections 15.3.1 and 15.3.1.1 in D-Book 5.0.
> The character repertoire of CIEngineProfile1 shall minimally be the character repertoire of UKEngineProfile1
> when the resident font is used. The MHEG application may use other characters that are available in an
> alternative character set after first confirming the presence of the character set in rec://font/xxx, where
> xxx is the required character set.
> CIEngineProfile1 has a font attribute class of "rec://font/CI1".
> Downloaded fonts may have a wider character repertoire and all characters in a downloaded font shall be
> supported.
> 

]FIG]