[css-text] I18N-ISSUE-325: expansion opportunity -> justification opportunity

Author: kojiishi

css-text/Overview.html

@@ -2034,7 +2034,7 @@ <h3 id=text-align-property><span class=secno>7.1. </span> Text Alignment:
    class=property>text-justify</code></a>’.) If an element's white space is
    not <a href="#collapse">collapsible</a>, then the UA is not required to
    adjust its text for the purpose of justification and may instead treat the
-   text as having no <a href="#expansion-opportunity"><i>expansion
+   text as having no <a href="#justification-opportunity"><i>justification
    opportunities</i></a>. If the UA chooses to adjust the text, then it must
    ensure that <a href="#tab-stops"><i>tab stops</i></a> continue to line up
    as required by the <a href="#white-space-rules">white space processing
@@ -2234,8 +2234,9 @@ <h3 id=text-justify-property><span class=secno>7.3. </span> Justification
    <dt><dfn id=none1 title="none!!text-justify">‘<code
     class=css>none</code>’</dfn>
 
-   <dd>Justification is disabled: there are no expansion opportunities within
-    the text.
+   <dd>Justification is disabled: there are no <a
+    href="#justification-opportunity"><i>justification opportunities</i></a>
+    within the text.
     <p class=note>This value is intended for use in user stylesheets to
      improve readability or for accessibility purposes.
 
@@ -2287,9 +2288,10 @@ <h4 id=expanding-text><span class=secno>7.3.1. </span> Expanding and
    negative space, putting more content on the line than would otherwise fit
    under normal spacing conditions.
 
-  <p>An <dfn id=expansion-opportunity>expansion opportunity</dfn> is a point
-   where the justification algorithm may alter spacing within the text. An
-   expansion opportunity can be provided by a single <a
+  <p>A <span id=expansion-opportunity><dfn
+   id=justification-opportunity>justification opportunity</dfn></span> is a
+   point where the justification algorithm may alter spacing within the text.
+   A justification opportunity can be provided by a single <a
    href="#character"><i>character</i></a> (such as a <a
    href="#word-separator"><i>word separator</i></a>), or by the juxtaposition
    of two <a href="#character"><i>characters</i></a>. Space distributed by
@@ -2298,35 +2300,38 @@ <h4 id=expanding-text><span class=secno>7.3.1. </span> Expanding and
    or ‘<a href="#word-spacing"><code
    class=property>word-spacing</code></a>’ properties. However, when space
    is distributed to a <a href="#word-separator"><i>word separator</i></a> <a
-   href="#expansion-opportunity"><i>expansion opportunity</i></a>, it is
-   applied under the same rules as for ‘<a href="#word-spacing"><code
+   href="#justification-opportunity"><i>justification opportunity</i></a>, it
+   is applied under the same rules as for ‘<a href="#word-spacing"><code
    class=property>word-spacing</code></a>’. Similarly, when space is
-   distributed an <a href="#expansion-opportunity"><i>expansion
+   distributed an <a href="#justification-opportunity"><i>justification
    opportunity</i></a> between two <a
    href="#character"><i>characters</i></a>, it is applied under the same
    rules as for ‘<a href="#letter-spacing"><code
    class=property>letter-spacing</code></a>’.
 
   <p>A justification algorithm may divide <a
-   href="#expansion-opportunity"><i>expansion opportunities</i></a> into
-   different priority levels. All <a
-   href="#expansion-opportunity"><i>expansion opportunities</i></a> within a
-   given level are expanded or compressed at the same priority, regardless of
-   which <a href="#character"><i>characters</i></a> created that opportunity.
-   For example, if <a href="#expansion-opportunity"><i>expansion
-   opportunities</i></a> between two Han characters and between two Latin <a
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   into different priority levels. All <a
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   within a given level are expanded or compressed at the same priority,
+   regardless of which <a href="#character"><i>characters</i></a> created
+   that opportunity. For example, if <a
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   between two Han characters and between two Latin <a
    href="#letter0"><i>letters</i></a> are defined to be at the same level (as
    they are in the ‘<code class=css>distribute</code>’ justification
    style), they are not treated differently because they originate from
    different <a href="#character"><i>characters</i></a>. It is not defined in
    this level whether or how other factors (such as font size,
    letter-spacing, glyph shape, position within the line, etc.) may influence
-   the distribution of space to expansion opportunities within the line.
+   the distribution of space to <a
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   within the line.
 
   <h4 id=justify-symbols><span class=secno>7.3.2. </span> Handling Symbols
    and Punctuation</h4>
 
-  <p>When determining <a href="#expansion-opportunity"><i>expansion
+  <p>When determining <a href="#justification-opportunity"><i>justification
    opportunities</i></a>, a character from the Unicode Symbols (S*) and
    Punctuation (P*) classes are generally treated the same as a <a
    href="#letter0"><i>letter</i></a>: in the case of ‘<code
@@ -2340,17 +2345,18 @@ <h4 id=justify-symbols><span class=secno>7.3.2. </span> Handling Symbols
   <p>However, by typographic tradition there may be additional rules
    controlling the justification of symbols and punctuation. Therefore, the
    UA may reassign specific characters or introduce additional levels of
-   prioritization to handle <a href="#expansion-opportunity"><i>expansion
-   opportunities</i></a> involving symbols and punctuation.
+   prioritization to handle <a
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   involving symbols and punctuation.
 
   <p class=example> For example, there are traditionally no <a
-   href="#expansion-opportunity"><i>expansion opportunities</i></a> between
-   consecutive EM DASH U+2014, HORIZONTAL BAR U+2015, HORIZONTAL ELLIPSIS
-   U+2026, or TWO DOT LEADER U+2025 characters <a href="#ref-JLREQ"
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   between consecutive EM DASH U+2014, HORIZONTAL BAR U+2015, HORIZONTAL
+   ELLIPSIS U+2026, or TWO DOT LEADER U+2025 characters <a href="#ref-JLREQ"
    rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a>; thus a UA might assign these
    characters to a “never” prioritization level. As another example,
-   certain fullwidth punctuation characters are considered to contain an <a
-   href="#expansion-opportunity"><i>expansion opportunity</i></a> in
+   certain fullwidth punctuation characters are considered to contain a <a
+   href="#justification-opportunity"><i>justification opportunity</i></a> in
    Japanese. The UA might therefore assign these characters to a higher
    prioritization level than the opportunities between ideographic
    characters.
@@ -2374,12 +2380,13 @@ <h4 id=justify-cursive><span class=secno>7.3.4. </span> Cursive Scripts</h4>
    href="#letter0"><i>letters</i></a> of <a
    href="#cursive-scripts"><i>cursive scripts</i></a> such as Arabic. If it
    is able, the UA <em>may</em> translate space distributed to <a
-   href="#expansion-opportunity"><i>expansion opportunities</i></a> within a
-   run of such <a href="#letter0"><i>letters</i></a> into some form of
-   cursive elongation for that run. It otherwise <em>must</em> assume that no
-   <a href="#expansion-opportunity"><i>expansion opportunity</i></a> exists
-   between any pair of <a href="#cursive-scripts"><i>cursive script</i></a>
-   <a href="#letter0"><i>letters</i></a>.
+   href="#justification-opportunity"><i>justification opportunities</i></a>
+   within a run of such <a href="#letter0"><i>letters</i></a> into some form
+   of cursive elongation for that run. It otherwise <em>must</em> assume that
+   no <a href="#justification-opportunity"><i>justification
+   opportunity</i></a> exists between any pair of <a
+   href="#cursive-scripts"><i>cursive script</i></a> <a
+   href="#letter0"><i>letters</i></a>.
 
   <h4 id=justify-algos><span class=secno>7.3.5. </span> Possible Algorithms</h4>
 
@@ -2398,8 +2405,8 @@ <h4 id=justify-algos><span class=secno>7.3.5. </span> Possible Algorithms</h4>
 
    <p>A more sophisticated but harder-to-implement justification algorithm
     might use a Knuth/Plass method where <a
-    href="#expansion-opportunity"><i>expansion opportunities</i></a> and
-    limits were assigned weights and assessed with other line breaking
+    href="#justification-opportunity"><i>justification opportunities</i></a>
+    and limits were assigned weights and assessed with other line breaking
     considerations. This algorithm could follow the guidelines by giving more
     weight to <a href="#word-separator"><i>word separators</i></a> than
     letter spacing.
@@ -3355,7 +3362,7 @@ <h2 class=no-num id=script-groups> Appendix C: Cursive Scripts</h2>
 
   <p>The following scripts in Unicode 6 are considered to be <dfn
    id=cursive-scripts title="cursive script">cursive scripts</dfn>, and do
-   not admit <a href="#expansion-opportunity"><i>expansion
+   not admit <a href="#justification-opportunity"><i>justification
    opportunities</i></a> between their letters: Arabic, Mandaic, Mongolian,
    N'Ko, Phags Pa, Syriac
 
@@ -3900,9 +3907,6 @@ <h2 class=no-num id=index> Index</h2>
       title="section 7.1."><strong>7.1.</strong></a>
     </ul>
 
-   <li>expansion opportunity, <a href="#expansion-opportunity"
-    title="section 7.3.1."><strong>7.3.1.</strong></a>
-
    <li>first
     <ul>
      <li>hanging-punctuation, <a href="#first"
@@ -3956,6 +3960,9 @@ <h2 class=no-num id=index> Index</h2>
       title="section 7.3."><strong>7.3.</strong></a>
     </ul>
 
+   <li>justification opportunity, <a href="#justification-opportunity"
+    title="section 7.3.1."><strong>7.3.1.</strong></a>
+
    <li>justify
     <ul>
      <li>text-align, <a href="#justify"

css-text/Overview.src.html

@@ -1433,7 +1433,7 @@ <h3 id="text-align-property">
       by <a href="#text-justify">adjusting</a> their text. (See 'text-justify'.)
       If an element's white space is not <a href="#collapse">collapsible</a>,
       then the UA is not required to adjust its text for the purpose of justification
-      and may instead treat the text as having no <i>expansion opportunities</i>.
+      and may instead treat the text as having no <i>justification opportunities</i>.
       If the UA chooses to adjust the text, then it must ensure
       that <i>tab stops</i> continue to line up as required by the
       <a href="#white-space-rules">white space processing rules</a>.
@@ -1588,7 +1588,7 @@ <h3 id="text-justify-property">
         </div>
 
       <dt><dfn title="none!!text-justify">''none''</dfn></dt>
-        <dd>Justification is disabled: there are no expansion opportunities within the text.
+        <dd>Justification is disabled: there are no <i>justification opportunities</i> within the text.
           <p class="note">This value is intended for use in user stylesheets
           to improve readability or for accessibility purposes.
 
@@ -1629,35 +1629,35 @@ <h4 id="expanding-text">
     The user agent may alternatively distribute negative space,
     putting more content on the line than would otherwise fit under normal spacing conditions.
 
-  <p>An <dfn>expansion opportunity</dfn> is
+  <p>A <span id="expansion-opportunity"><dfn>justification opportunity</dfn></span> is
     a point where the justification algorithm may alter spacing within the text.
-    An expansion opportunity can be provided by a single <i>character</i>
+    A justification opportunity can be provided by a single <i>character</i>
     (such as a <i>word separator</i>),
     or by the juxtaposition of two <i>characters</i>.
     Space distributed by justification is <em>in addition to</em>
     the spacing defined by the 'letter-spacing' or 'word-spacing' properties.
-    However, when space is distributed to a <i>word separator</i> <i>expansion opportunity</i>,
+    However, when space is distributed to a <i>word separator</i> <i>justification opportunity</i>,
     it is applied under the same rules as for 'word-spacing'.
-    Similarly, when space is distributed an <i>expansion opportunity</i> between two <i>characters</i>,
+    Similarly, when space is distributed an <i>justification opportunity</i> between two <i>characters</i>,
     it is applied under the same rules as for 'letter-spacing'.
 
-  <p>A justification algorithm may divide <i>expansion opportunities</i> into different priority levels.
-    All <i>expansion opportunities</i> within a given level
+  <p>A justification algorithm may divide <i>justification opportunities</i> into different priority levels.
+    All <i>justification opportunities</i> within a given level
     are expanded or compressed at the same priority,
     regardless of which <i>characters</i> created that opportunity.
-    For example, if <i>expansion opportunities</i> between two Han characters
+    For example, if <i>justification opportunities</i> between two Han characters
     and between two Latin <i>letters</i> are defined to be at the same level
     (as they are in the ''distribute'' justification style),
     they are not treated differently because they originate from different <i>characters</i>.
     It is not defined in this level
     whether or how other factors
     (such as font size, letter-spacing, glyph shape, position within the line, etc.)
-    may influence the distribution of space to expansion opportunities within the line.
+    may influence the distribution of space to <i>justification opportunities</i> within the line.
 
 <h4 id="justify-symbols">
 Handling Symbols and Punctuation</h4>
 
-    <p>When determining <i>expansion opportunities</i>,
+    <p>When determining <i>justification opportunities</i>,
       a character from the Unicode Symbols (S*) and Punctuation (P*) classes
       are generally treated the same as a <i>letter</i>:
       in the case of ''inter-word'', as a Latin <i>letter</i>;
@@ -1668,15 +1668,15 @@ <h4 id="justify-symbols">
       controlling the justification of symbols and punctuation.
       Therefore, the UA may reassign specific characters
       or introduce additional levels of prioritization
-      to handle <i>expansion opportunities</i> involving symbols and punctuation.
+      to handle <i>justification opportunities</i> involving symbols and punctuation.
 
     <p class="example">
-      For example, there are traditionally no <i>expansion opportunities</i>
+      For example, there are traditionally no <i>justification opportunities</i>
       between consecutive EM DASH U+2014, HORIZONTAL BAR U+2015, HORIZONTAL
       ELLIPSIS U+2026, or TWO DOT LEADER U+2025 characters [[JLREQ]]; thus
       a UA might assign these characters to a “never” prioritization level.
       As another example, certain fullwidth punctuation characters are
-      considered to contain an <i>expansion opportunity</i> in Japanese.
+      considered to contain a <i>justification opportunity</i> in Japanese.
       The UA might therefore assign these characters to a higher prioritization
       level than the opportunities between ideographic characters.
 
@@ -1695,9 +1695,9 @@ <h4 id="justify-cursive">
     <p>Justification <em>must not</em> introduce gaps between <i>letters</i>
       of <i>cursive scripts</i> such as Arabic.
       If it is able, the UA <em>may</em>
-      translate space distributed to <i>expansion opportunities</i> within a run of such <i>letters</i>
+      translate space distributed to <i>justification opportunities</i> within a run of such <i>letters</i>
       into some form of cursive elongation for that run.
-      It otherwise <em>must</em> assume that no <i>expansion opportunity</i> exists
+      It otherwise <em>must</em> assume that no <i>justification opportunity</i> exists
       between any pair of <i>cursive script</i> <i>letters</i>.
 
 <h4 id="justify-algos">
@@ -1719,7 +1719,7 @@ <h4 id="justify-algos">
 
     <p>A more sophisticated but harder-to-implement justification algorithm
     might use a Knuth/Plass method
-    where <i>expansion opportunities</i> and limits were assigned weights
+    where <i>justification opportunities</i> and limits were assigned weights
     and assessed with other line breaking considerations.
     This algorithm could follow the guidelines by giving more weight
     to <i>word separators</i> than letter spacing.
@@ -2407,7 +2407,7 @@ <h2 class="no-num" id="script-groups">
   <p><em>This appendix is normative.</em></p>
 
   <p>The following scripts in Unicode 6 are considered to be <dfn title="cursive script">cursive scripts</dfn>,
-    and do not admit <i>expansion opportunities</i> between their letters:
+    and do not admit <i>justification opportunities</i> between their letters:
       Arabic,
       Mandaic,
       Mongolian,