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@@ -1185,6 +1185,12 @@ |
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<li><p>If <var title="">position</var> is past the end of <var |
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title="">input</var>, return an error.</p></li> |
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<li><p>If the next character is a U+002B PLUS SIGN character (+), |
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advance <var title="">position</var> to the next character.</li> |
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<li><p>If <var title="">position</var> is past the end of <var |
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title="">input</var>, return an error.</p></li> |
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<li><p>If the next character is not one of U+0030 DIGIT ZERO (0) |
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.. U+0039 DIGIT NINE (9), then return an error.</p></li> |
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<hr> |
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<p class="XXX">...font...</p> |
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<!-- face=>font-family --> |
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<!-- pointsize=>font-size as pt if present; |
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otherwise size=>font-size as follows: |
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int <0: as x-small |
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int >7: as xx-large |
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1,2,3,4,5,6: as x-small,small,medium,large,x-large,xx-large; quirks offsets by one? |
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-6 .. -0 +0 .. +6: add to <basefont size> and treat as above? |
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what values should x-small..xx-large have? |
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--> |
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<!-- color --> |
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<p>When a <code>font</code> element has a <code |
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title="attr-font-color">color</code> attribute, its value is |
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expected to be parsed using the <span>rules for parsing a legacy |
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color value</span>, and the user agent is expected to treat the |
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attribute as a <span title="presentational hints">presentational |
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hint</span> setting the element's 'color' property to the resulting |
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color.</p> |
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<p>When a <code>font</code> element has a <code |
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title="attr-font-face">face</code> attribute, the user agent is |
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expected to treat the attribute as a <span title="presentational |
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hints">presentational hint</span> setting the element's |
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'font-family' property to the attribute's value.</p> |
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<p>When a <code>font</code> element has a <code |
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title="attr-font-pointsize">pointsize</code> attribute, the user |
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agent is expected to parse that attribute's value using the |
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<span>rules for parsing non-negative integers</span>, and if this |
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doesn't generate an error, then the user agent is expected to use |
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the parsed value as a <em>point</em> length for a <span |
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title="presentational hints">presentational hint</span> for the |
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'font-size' property on the element.</p> |
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<p>When a <code>font</code> element has a <code |
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title="attr-font-size">size</code> attribute, the user agent is |
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expected to use the following steps to treat the attribute as a |
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<span title="presentational hints">presentational hint</span> |
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setting the element's 'font-size' property:</p> |
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<ol> |
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<li><p>Let <var title="">input</var> be the attribute's |
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value.</p></li> |
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<li><p>Let <var title="">position</var> be a pointer into <var |
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title="">input</var>, initially pointing at the start of the |
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string.</p></li> |
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<li><p><span>Skip whitespace</span>.</p></li> |
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<li><p>If <var title="">position</var> is past the end of <var |
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title="">input</var>, there is no <span title="presentational |
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hints">presentational hint</span>. Abort these steps.</p></li> |
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<li><p>If the character at <var title="">position</var> is a U+002B |
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PLUS SIGN character (+), then let <var title="">mode</var> be |
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<i>relative-plus</i>, and advance <var title="">position</var> to |
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the next character. Otherwise, if the character at <var |
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title="">position</var> is a U+002D HYPHEN-MINUS character (-), |
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then let <var title="">mode</var> be <i>relative-minus</i>, and |
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advance <var title="">position</var> to the next |
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character. Otherwise, let <var title="">mode</var> be |
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<i>absolute</i>.</p></li> |
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<li><p><span>Collect a sequence of characters</span> in the range |
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U+0030 DIGIT ZERO (0) to U+0039 DIGIT NINE (9), and let the |
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resulting sequence be <var title="">digits</var>.</p></li> |
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<li><p>If <var title="">digits</var> is the empty string, there is |
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no <span title="presentational hints">presentational |
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hint</span>. Abort these steps.</p></li> |
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<li><p>Interpret <var title="">digits</var> as a base-ten |
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integer. Let <var title="">size</var> be the resulting |
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number.</p></li> |
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<li> |
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<p>If <var title="">mode</var> is not <i>absolute</i>, run these |
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substeps:</p> |
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<ol> |
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<li><p>Let <var title="">base</var> be 3.</p></li> |
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<li><p>Let <var title="">base element</var> be the the last |
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<code>basefont</code> element in <span>tree order</span> that is |
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before the <code>font</code> element, if there is one.</p></li> |
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<li><p>If there is a <var title="">base element</var>, and it has |
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a <code title="attr-basefont-size">size</code> attribute, then |
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apply the <span>rules for parsing non-negative integers</span> to |
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that attribute's value.</p></li> |
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<li><p>If <var title="">base</var> is greater than 7, let it be |
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7.</p></li> |
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<li><p>If <var title="">base</var> is less than 1, let it be |
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1.</p></li> |
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<li><p>If <var title="">mode</var> is <i>relative-plus</i>, then |
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increment <var title="">value</var> by <var |
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title="">base</var>. Otherwise, decrement <var |
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title="">value</var> by <var title="">base</var>.</p></li> |
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</ol> |
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</li> |
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<li><p>If <var title="">value</var> is greater than 7, let it be |
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7.</p></li> |
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<li><p>If <var title="">value</var> is less than 1, let it be |
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1.</p></li> |
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<li> |
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<p>Set 'font-size' to the keyword corresponding to the value of |
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<var title="">value</var> according to the following table:</p> |
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<table> |
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<thead> |
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<tr> |
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<th><var title="">value</var> |
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<th>'font-size' keyword |
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<th>Notes |
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<tbody> |
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<tr> |
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<td>1 |
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<td>xx-small |
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<td> |
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<tr> |
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<td>2 |
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<td>small |
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<td> |
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<tr> |
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<td>3 |
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<td>medium |
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<td> |
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<tr> |
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<td>4 |
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<td>large |
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<td> |
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<tr> |
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<td>5 |
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<td>x-large |
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<td> |
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<tr> |
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<td>6 |
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<td>xx-large |
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<td> |
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<tr> |
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<td>7 |
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<td>xxx-large |
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<td><i>see below</i> |
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</table> |
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<p>The 'xxx-large' value is a non-CSS value used here to indicate |
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a font size one "step" larger than 'xx-large'.</p> |
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</li> |
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</ol> |
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<h4>Punctuation and decorations</h4> |
