Strip trailing white space. (No other change.)

Author: fantasai

selectors4/Overview.html

@@ -1821,7 +1821,7 @@ <h4 id=nth-child-pseudo><span class=secno>7.4.2. </span> :nth-child()
   tr:nth-child(odd)  /* same */
   tr:nth-child(2n+0) /* represents every even row of an HTML table */
   tr:nth-child(even) /* same */
-  
+
   /* Alternate paragraph colours in CSS */
   p:nth-child(4n+1) { color: navy; }
   p:nth-child(4n+2) { color: green; }
@@ -1934,7 +1934,7 @@ <h4 id=nth-last-child-pseudo><span class=secno>7.4.3. </span>
    <p>Examples:</p>
 
    <pre>tr:nth-last-child(-n+2)    /* represents the two last rows of an HTML table */
-  
+
   foo:nth-last-child(odd)    /* represents all odd foo elements in their parent element,
                                 counting from the last one */</pre>
   </div>
@@ -2399,42 +2399,42 @@ <h3 id=grammar><span class=secno>10.1. </span> Grammar</h3>
   <pre>selectors_group
     : selector [ COMMA S* selector ]*
     ;
-  
+
   selector
     : compound_selector [ combinator simple_selector_sequence ]*
     ;
-  
+
   combinator
     /* combinators can be surrounded by whitespace */
     : PLUS S* | GREATER S* | TILDE S* | S+
     ;
-  
+
   simple_selector_sequence
     : [ type_selector | universal ]
       [ HASH | class | attrib | pseudo | negation ]*
     | [ HASH | class | attrib | pseudo | negation ]+
     ;
-  
+
   type_selector
     : [ namespace_prefix ]? element_name
     ;
-  
+
   namespace_prefix
     : [ IDENT | '*' ]? '|'
     ;
-  
+
   element_name
     : IDENT
     ;
-  
+
   universal
     : [ namespace_prefix ]? '*'
     ;
-  
+
   class
     : '.' IDENT
     ;
-  
+
   attrib
     : '[' S* [ namespace_prefix ]? IDENT S*
           [ [ PREFIXMATCH |
@@ -2445,29 +2445,29 @@ <h3 id=grammar><span class=secno>10.1. </span> Grammar</h3>
               DASHMATCH ] S* [ IDENT | STRING ] S*
           ]? ']'
     ;
-  
+
   pseudo
     /* '::' starts a pseudo-element, ':' a pseudo-class */
     /* Exceptions: :first-line, :first-letter, :before and :after. */
     /* Note that pseudo-elements are restricted to one per selector and */
     /* occur only in the last compound_selector. */
     : ':' ':'? [ IDENT | functional_pseudo ]
     ;
-  
+
   functional_pseudo
     : FUNCTION S* expression ')'
     ;
-  
+
   expression
     /* In CSS3, the expressions are identifiers, strings, */
     /* or of the form "an+b" */
     : [ [ PLUS | '-' | DIMENSION | NUMBER | STRING | IDENT ] S* ]+
     ;
-  
+
   negation
     : NOT S* negation_arg S* ')'
     ;
-  
+
   negation_arg
     : type_selector | universal | HASH | class | attrib | pseudo
     ;</pre>
@@ -2485,7 +2485,7 @@ <h3 id=lex><span class=secno>10.2. </span> Lexical scanner</h3>
    rel=biblioentry>[UNICODE]<!--{{!UNICODE}}--></a>
 
   <pre>%option case-insensitive
-  
+
   ident     [-]?{nmstart}{nmchar}*
   name      {nmchar}+
   nmstart   [_a-z]|{nonascii}|{escape}
@@ -2502,18 +2502,18 @@ <h3 id=lex><span class=secno>10.2. </span> Lexical scanner</h3>
   invalid2  \'([^\n\r\f\\']|\\{nl}|{nonascii}|{escape})*
   nl        \n|\r\n|\r|\f
   w         [ \t\r\n\f]*
-  
+
   D         d|\\0{0,4}(44|64)(\r\n|[ \t\r\n\f])?
   E         e|\\0{0,4}(45|65)(\r\n|[ \t\r\n\f])?
   N         n|\\0{0,4}(4e|6e)(\r\n|[ \t\r\n\f])?|\\n
   O         o|\\0{0,4}(4f|6f)(\r\n|[ \t\r\n\f])?|\\o
   T         t|\\0{0,4}(54|74)(\r\n|[ \t\r\n\f])?|\\t
   V         v|\\0{0,4}(58|78)(\r\n|[ \t\r\n\f])?|\\v
-  
+
   %%
-  
+
   [ \t\r\n\f]+     return S;
-  
+
   "~="             return INCLUDES;
   "|="             return DASHMATCH;
   "^="             return PREFIXMATCH;
@@ -2535,9 +2535,9 @@ <h3 id=lex><span class=secno>10.2. </span> Lexical scanner</h3>
   {num}{ident}     return DIMENSION;
   "&lt;!--"           return CDO;
   "--&gt;"            return CDC;
-  
+
   \/\*[^*]*\*+([^/*][^*]*\*+)*\/                    /* ignore comments */
-  
+
   .                return *yytext;</pre>
 
   <h2 id=profiling><span class=secno>11. </span>Profiles</h2>
@@ -2773,7 +2773,7 @@ <h3 id=experimental><span class=secno>12.3. </span> Experimental
    be correctly implemented according to spec.</p>
   <!--
   <h2 id=Tests>Tests</h2>
-  
+
   <p>This specification has <a
   href="http://www.w3.org/Style/CSS/Test/CSS3/Selectors/current/">a test
   suite</a> allowing user agents to verify their basic conformance to