[css-text-3] Clarify interactions of various phases of white space processing. web-platform-tests/wpt#20325

Author: fantasai

css-text-3/Overview.bs

@@ -1194,8 +1194,9 @@ Text Processing</h3>
 
     <p>For each inline (including anonymous inlines;
       see [[CSS2]] section <a href="https://www.w3.org/TR/CSS2/visuren.html#anonymous">9.2.2.1</a>)
-      within an inline
-      formatting context, [=white space characters=] are handled as follows,
+      within an [=inline formatting context=],
+      [=white space characters=] are processed as follows
+      prior to [=line breaking=] and <a href="https://www.w3.org/TR/css-writing-modes-3/#text-direction">bidi reordering</a>,
       ignoring <dfn noexport>bidi formatting characters</dfn>
       (characters with the <code>Bidi_Control</code> property [[!UAX9]])
       as if they were not there:
@@ -1350,10 +1351,6 @@ Text Processing</h3>
       </wpt>
     </ul>
 
-    <p>Then, the entire block is rendered. Inlines are laid out, taking bidi
-      reordering into account, and <a>wrapping</a> as specified by the
-      'white-space' property.</p>
-
       <wpt pathprefix="/css/CSS2/">
         bidi-text/bidi-002.xht
         bidi-text/bidi-004.xht
@@ -1599,7 +1596,12 @@ Text Processing</h3>
 
     <h4 id="white-space-phase-2">Phase II: Trimming and Positioning</h4>
 
-    <p>As each line is laid out,</p>
+    <p>Then, the entire block is rendered.
+      Inlines are laid out,
+      taking <a href="https://www.w3.org/TR/css-writing-modes-3/#text-direction">bidi reordering</a> into account,
+      and <a>wrapping</a> as specified by the 'white-space' property.
+      As each line is laid out,
+
     <ol>
       <li>A sequence of [=collapsible=] [=spaces=] at the beginning of a line
         is removed.
@@ -5587,55 +5589,4 @@ Changes</h2>
       white-space/text-space-collapse-discard-001.xht
       white-space/text-space-collapse-preserve-breaks-001.xht
       white-space/text-space-trim-trim-inner-001.xht
-
-      parsing/word-boundary-detection-valid.html
-      parsing/word-boundary-detection-invalid.html
-      parsing/word-boundary-detection-computed.html
-      parsing/word-boundary-expansion-valid.html
-      parsing/word-boundary-expansion-invalid.html
-      parsing/word-boundary-expansion-computed.html
-      word-boundary/word-boundary-001.html
-      word-boundary/word-boundary-002.html
-      word-boundary/word-boundary-003.html
-      word-boundary/word-boundary-004.html
-      word-boundary/word-boundary-005.html
-      word-boundary/word-boundary-006.html
-      word-boundary/word-boundary-007.html
-      word-boundary/word-boundary-008.html
-      word-boundary/word-boundary-009.html
-      word-boundary/word-boundary-010.html
-      word-boundary/word-boundary-011.html
-      word-boundary/word-boundary-012.html
-      word-boundary/word-boundary-013.html
-      word-boundary/word-boundary-014.html
-      word-boundary/word-boundary-015-manual.html
-      word-boundary/word-boundary-101.html
-      word-boundary/word-boundary-102.html
-      word-boundary/word-boundary-103.html
-      word-boundary/word-boundary-104.html
-      word-boundary/word-boundary-105.html
-      word-boundary/word-boundary-106.html
-      word-boundary/word-boundary-107.html
-      word-boundary/word-boundary-108.html
-      word-boundary/word-boundary-109.html
-      word-boundary/word-boundary-110.html
-      word-boundary/word-boundary-111.html
-      word-boundary/word-boundary-112.html
-      word-boundary/word-boundary-113.html
-      word-boundary/word-boundary-114.html
-      word-boundary/word-boundary-115.html
-      word-boundary/word-boundary-116.html
-      word-boundary/word-boundary-117.html
-      word-boundary/word-boundary-118.html
-      word-boundary/word-boundary-119.html
-      word-boundary/word-boundary-120.html
-      word-boundary/word-boundary-121.html
-      word-boundary/word-boundary-122.html
-      word-boundary/word-boundary-123.html
-      word-boundary/word-boundary-124.html
-      word-boundary/word-boundary-125.html
-      word-boundary/word-boundary-126.html
-      word-boundary/word-boundary-127.html
-      word-boundary/word-boundary-128.html
-      word-boundary/word-boundary-129.html
     </wpt>