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1 | 1 | <!DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01//EN'> |
2 | 2 |
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3 | 3 | <html lang="en"> |
4 | | -<!-- $Id: about.src,v 2.76 2009-01-16 18:17:51 bbos Exp $ --> |
| 4 | +<!-- $Id: about.src,v 2.77 2009-04-22 12:58:49 bbos Exp $ --> |
5 | 5 | <HEAD> |
6 | 6 | <TITLE>About the CSS 2.1 Specification</TITLE> |
7 | 7 | </HEAD> |
@@ -191,14 +191,17 @@ given order. |
191 | 191 | exactly one of them must occur. |
192 | 192 | <li>A double bar (||) separates |
193 | 193 | two or more options: one or more of them must occur, in any order. |
| 194 | +<li>A double ampersand (&&) separates two or more values all of which |
| 195 | +must occur, in any order. |
194 | 196 | <li>Brackets ([ ]) are for grouping. |
195 | 197 | </ul> |
196 | 198 |
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197 | | -<P>Juxtaposition is stronger than the double bar, and the double bar |
| 199 | +<P>Juxtaposition is stronger than the double ampersand, the double |
| 200 | +ampersand is stronger than the double bar, and the double bar |
198 | 201 | is stronger than the bar. Thus, the following lines are equivalent: |
199 | 202 | <PRE> |
200 | | - a b | c || d e |
201 | | - [ a b ] | [ c || [ d e ]] |
| 203 | + a b | c || d && e f |
| 204 | + [ a b ] | [ c || [ d && [ e f ]]] |
202 | 205 | </PRE> |
203 | 206 |
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204 | 207 | <P> Every type, keyword, or bracketed group may be followed by one of |
@@ -232,6 +235,7 @@ the following modifiers:</p> |
232 | 235 | <EM>Value:</EM> [<family-name> , ]* <family-name><BR> |
233 | 236 | <EM>Value:</EM> <uri>? <color> [ / <color> ]?<BR> |
234 | 237 | <EM>Value:</EM> <uri> || <color><BR> |
| 238 | + <EM>Value:</EM> inset? && [ <length>{2,4} && <color>? ] |
235 | 239 | </BLOCKQUOTE> |
236 | 240 |
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237 | 241 | <p>Value types are specified in terms of tokens, as described in <a |
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