[css-syntax] Typo and formatting fixes.

Author: SimonSapin

css-syntax/Overview.src.html

@@ -120,7 +120,7 @@ <h2 id='syntax-description'>
 		for style rules, it's a selector which specifies what elements the declarations will apply to.
 		Each declaration has a name,
 		followed by a colon and the declaration value,
-		and finished with a semicolon.
+		and finishes with a semicolon.
 
 	<div class='example'>
 		<p>
@@ -175,7 +175,7 @@ <h2 id='syntax-description'>
 }</pre>
 
 		<p>
-			The ''@page'' <i>at-rule</i> consists of an optional page selector (the ":left" pseudoclass),
+			The ''@page'' <i>at-rule</i> consists of an optional page selector (the '':left'' pseudoclass),
 			followed by a block of properties that apply to the page when printed.
 			In this way, it's very similar to a normal <i>style rule</i>,
 			except that its properties don't apply to any "element",
@@ -194,7 +194,7 @@ <h2 id='syntax-description'>
 	</div>
 
 	<p>
-		Property names and <i>at-rule</i> names are always <b>idents</b>,
+		Property names and <i>at-rule</i> names are always <b>identifiers</b>,
 		which have to start with a letter or a hyphen followed by a letter,
 		and then can contain letters, numbers, hyphens, or underscores.
 		You can include any character at all,
@@ -240,10 +240,10 @@ <h3>
 			Once an at-rule starts,
 			nothing is invalid from the parser's standpoint;
 			it's all part of the at-rule's prelude.
-			Encountering a semicolon (;) ends the at-rule immediately,
-			while encountering an opening curly-brace ({) starts the at-rule's body.
+			Encountering a semicolon 〈;〉 ends the at-rule immediately,
+			while encountering an opening curly-brace 〈{〉 starts the at-rule's body.
 			The at-rule seeks forward, matching blocks (content surrounded by (), {}, or [])
-			until it finds a closing curly-brace (}) that isn't matched by anything else
+			until it finds a closing curly-brace 〈}〉 that isn't matched by anything else
 			or inside of another block.
 			The contents of the at-rule are then interpreted according to the at-rule's own grammar.
 
@@ -462,7 +462,7 @@ <h2>
 		〈ident〉, 〈function〉, 〈at-keyword〉, 〈hash〉, 〈string〉, and 〈url〉 tokens have a value composed of zero or more characters.
 		Additionally, hash tokens have a type flag set to either "id" or "unrestricted".  The type flag defaults to "unrestricted" if not otherwise set.
 		〈delim〉 tokens have a value composed of a single character.
-		〈number〉, 〈percentage〉, and 〈dimension〉 tokens have a representation composed of 1 or more character, and a numeric value.
+		〈number〉, 〈percentage〉, and 〈dimension〉 tokens have a representation composed of one or more character, and a numeric value.
 		〈number〉 and 〈dimension〉 tokens additionally have a type flag set to either "integer" or "number".  The type flag defaults to "integer" if not otherwise set.
 		〈dimension〉 tokens additionally have a unit composed of one or more characters.
 		〈unicode-range〉 tokens have a range of characters.
@@ -2100,7 +2100,7 @@ <h2>
 		<dd>
 			An at-rule has a name,
 			a prelude consisting of a list of component values,
-			and an optional value consisting of an simple {} block.
+			and an optional value consisting of a simple {} block.
 
 			<p class='note'>
 				This specification places no limits on what an at-rule's value may contain.
@@ -2155,7 +2155,7 @@ <h2>
 
 		<dt><dfn>simple block</dfn>
 		<dd>
-			A simple block has an associated token (either a 〈[〉, (, or 〈{〉)
+			A simple block has an associated token (either a 〈[〉, 〈(〉, or 〈{〉)
 			and a value consisting of a list of component values.
 	</dl>
 
@@ -3018,13 +3018,13 @@ <h2 id='defining-grammars'>
 		<li>〈Ident〉s (such as ''auto'', ''disc'', etc.)
 		<li>〈at-keyword〉 tokens, which are written as an @ character followed by the token's name, like "@media".
 		<li>〈function〉s, which are written as the function name followed by a ( character, like "translate(".
-		<li>The 〈colon〉 (written as <code>:</code>), 〈comma〉 (written as <code>,</code>), 〈semicolon〉 (written as <code>;</code>), (, ), 〈{〉, and 〈}〉s.
+		<li>The 〈colon〉 (written as <code>:</code>), 〈comma〉 (written as <code>,</code>), 〈semicolon〉 (written as <code>;</code>), 〈(〉, 〈)〉, 〈{〉, and 〈}〉s.
 	</ul>
 
 	<p>
 		〈delim〉s are written with their value enclosed in single quotes.
 		For example, a 〈delim〉 containing the "+" character is written as <code>'+'</code>.
-		Similarly, the [ and 〈]〉s must be written in single quotes,
+		Similarly, the 〈[〉 and 〈]〉s must be written in single quotes,
 		as they're used by the syntax of the grammar itself to group clauses.
 
 	<p>
@@ -3069,7 +3069,7 @@ <h3 id='declaration-rule-list'>
 
 	<p>
 		Similarly, the <dfn><var>&lt;rule-list></var></dfn> production represents a list of rules,
-		and may only be used in grammars as the shole value in a block.
+		and may only be used in grammars as the sole value in a block.
 		It represents that the contents of the block must be parsed using the <i>consume a list of rules</i> algorithm.
 
 	<p>