W3C CSS2 Cascading Style Sheets, level 2 - instructional media + ...

* Rules for bidi */
HEBREW, HE-QUO {direction: rtl; unicode-bidi: embed}
ENGLISH
{direction: ltr; unicode-bidi: embed}
/* Rules for presentation */
HEBREW, ENGLISH, PAR {display: block}
EMPH
{font-weight: bold}
The HEBREW element is a block with a right-to-left base direction, the
ENGLISH element is a block with a left-to-right base direction. The PARs are
blocks that inherit the base direction from their parents. Thus, the first two PARs
are read starting at the top right, the final three are read starting at the top left.
Please note that HEBREW and ENGLISH are chosen as element names for
explicitness only; in general, element names should convey structure without
reference to language.
The EMPH element is inline-level, and since its value for ’unicode-bidi’ is
’normal’ (the initial value), it has no effect on the ordering of the text. The
HE-QUO element, on the other hand, creates an embedding.
The formatting of this text might look like this if the line length is long:
5WERBEH 4WERBEH english3 2WERBEH 1WERBEH
8WERBEH 7WERBEH 6WERBEH
english9 english10 english11 13WERBEH 12WERBEH
english14 english15 english16
english17 20WERBEH english19 18WERBEH
Note that the HE-QUO embedding causes HEBREW18 to be to the right of
english19.
If lines have to be broken, it might be more like this:
2WERBEH 1WERBEH
-EH 4WERBEH english3
5WERB
-EH 7WERBEH 6WERBEH
8WERB
english9 english10 english11
12WERBEH
13WERBEH
english14 english15
english16
english17 18WERBEH
20WERBEH english19
Because HEBREW18 must be read before english19, it is on the line above
english19. Just breaking the long line from the earlier formatting would not have
worked. Note also that the first syllable from english19 might have fit on the
previous line, but hyphenation of left-to-right words in a right-to-left context, and
vice versa, is usually suppressed to avoid having to display a hyphen in the
middle of a line.
130