[css-text] L3/L4 sync

w3c · Mar 29, 2023 · 75cd70f · 75cd70f
1 parent d758e15
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Showing 2 changed files with 29 additions and 7 deletions.
diff --git a/css-text-3/Overview.bs b/css-text-3/Overview.bs
@@ -2086,7 +2086,7 @@ Phase II: Trimming and Positioning</h4>
  Otherwise, each [=preserved=] [=tab=] is rendered
  as a horizontal shift that lines up
  the start edge of the next glyph with the next [=tab stop=].
- If this distance is less than 0.5<a value class=no-quote>ch</a>,
+ If this distance is less than ''0.5ch'',
  then the subsequent [=tab stop=] is used instead.
  <dfn lt="tab stop">Tab stops</dfn> occur at points
  that are multiples of the [=tab size=]
@@ -3277,7 +3277,7 @@ Line Breaking Details</h3>
  <li>
  Preserved segment breaks, and--
  regardless of the 'white-space' value--
- any Unicode character with the the <code>BK</code> and <code>NL</code> line breaking class,
+ any Unicode character with the <code>BK</code> and <code>NL</code> line breaking class,
  must be treated as forced line breaks.
  [[!UAX14]]
 
@@ -6950,11 +6950,12 @@ Hanging Punctuation: the 'hanging-punctuation' property</h4>
 
  <dt><dfn>first</dfn>
  <dd>
- An opening bracket or quote at the start
+ An opening bracket, quote, or ideographic space at the start
  of the [=first formatted line=]
  of an element [=hangs=].
  This applies to all characters in the Unicode categories Ps, Pf, Pi
- plus the ASCII quote marks U+0027 ' APOSTROPHE and U+0022 " QUOTATION MARK.
+ plus the ASCII quote marks U+0027 ' APOSTROPHE and U+0022 " QUOTATION MARK
+ and the IDEOGRAPHIC SPACE U+3000.
 
  <wpt>
  hanging-punctuation/hanging-punctuation-first-001.xht
@@ -8194,6 +8195,23 @@ Recent Changes</h3>
  The following normative changes have been made since
  the <a href="https://www.w3.org/TR/2020/CR-css-text-3-20201222/">December 2020 Candidate Recommendation</a>.
 
+ * Allow ''hanging-puctuation: first'' to hang U+300 IDEOGRAPHIC SPACE
+ in order to accommodate plaintext indentation habits.
+ (<a href="https://github.com/w3c/csswg-drafts/issues/2462">Issue 2462</a>)
+ <blockquote>
+ <dl>
+ <dt>first
+ <dd>
+ An opening bracket<ins>,</ins><del> or</del> quote<ins>, or ideographic space</ins> at the start
+ of the [=first formatted line=]
+ of an element [=hangs=].
+ This applies to all characters in the Unicode categories Ps, Pf, Pi
+ plus the ASCII quote marks U+0027 ' APOSTROPHE and U+0022 " QUOTATION MARK
+ plus the ASCII quote marks U+0027 ' APOSTROPHE and U+0022 " QUOTATION MARK
+ <ins>and the IDEOGRAPHIC SPACE U+3000</ins>.
+ </dl>
+ </blockquote>
+
  * Define that ''distribute'' computes to ''inter-character'', rather than merely behave the same;
  allow ''text-justify/distribute'' to be implemented as a [=legacy value alias=],
  since this is easier for some engines and does not matter for compatibility.

diff --git a/css-text-4/Overview.bs b/css-text-4/Overview.bs
@@ -580,9 +580,13 @@ Case Transforms: the 'text-transform' property</h3>
  It has no effect on the underlying content,
  and must not affect the content of a plain text copy &amp; paste operation.
 
- Note: The 'text-transform' property only affects the presentation layer;
- correct casing for semantic purposes is expected to be represented
- in the source document.
+ <wpt>
+ text-transform/text-transform-upperlower-105.html
+ </wpt>
+
+ Advisement: Authors must not rely on 'text-transform' for semantic purposes;
+ rather the correct casing and semantics should be encoded
+ in the source document text and markup.
 
  <wpt>
  text-transform/text-transform-copy-paste-001-manual.html