Implement grammar rendering + render grammar

Author: nikic

spec/04-basic-concepts.md

@@ -23,22 +23,22 @@ text:
 -->
 
 <pre>
- <i>script:</i>
-  <i>script-section</i>
-  <i>script script-section</i>
+<a name="grammar-script"><i>script:</i>
+ <i><a href="#grammar-script-section">script-section</a></i>
+ <i><a href="#grammar-script">script</a></i> <i><a href="#grammar-script-section">script-section</a></i>
 
- <i>script-section:</i>
-  <i> text<sub>opt</sub></i> <i>start-tag</i> <i>statement-list<sub>opt</sub></i> <i>end-tag</i><sub>opt</sub> <i>text<sub>opt</sub></i>
+<a name="grammar-script-section"><i>script-section:</i>
+ <i><a href="#grammar-text">text</a></i><sub>opt</sub> <i><a href="#grammar-start-tag">start-tag</a></i>  <i><a href="11-statements.md#grammar-statement-list">statement-list</a></i><sub>opt</sub> <i><a href="#grammar-end-tag">end-tag</a></i><sub>opt</sub>  <i><a href="#grammar-text">text</a></i><sub>opt</sub>
 
- <i>start-tag:</i>
-  &lt;?php
-  &lt;?=
+<a name="grammar-start-tag"><i>start-tag:</i>
+ &lt;?php
+ &lt;?=
 
- <i>end-tag:</i>
-  ?&gt;
+<a name="grammar-end-tag"><i>end-tag:</i>
+ ?&gt;
 
- <i>text:</i>
-  arbitrary text not containing any of <i>start-tag</i> sequences
+<a name="grammar-text"><i>text:</i>
+ arbitrary text not containing any of  <i><a href="#grammar-start-tag">start-tag</a></i>  sequences
 </pre>
 
 All of the sections in a script are treated as though they belonged to

spec/05-types.md

@@ -139,22 +139,22 @@ str-number::
 -->
 
 <pre>
- <i>str-numeric::</i>
-  <i>str-whitespace<sub>opt</sub> sign<sub>opt</sub> str-number</i>
-
- <i>str-whitespace::</i>
-  <i>str-whitespace<sub>opt</sub> str-whitespace-char</i>
-
- <i>str-whitespace-char::</i>
-  <i>new-line</i>
-  Space character (U+0020)
-  Horizontal-tab character (U+0009)
-  Vertical-tab character (U+000B)
-  Form-feed character (U+000C)
-
- <i>str-number::</i>
-  <i>digit-sequence</i>
-  <i>floating-literal</i>
+<a name="grammar-str-numeric"><i>str-numeric::</i>
+ <i><a href="#grammar-str-whitespace">str-whitespace</a></i><sub>opt</sub> <i><a href="09-lexical-structure.md#grammar-sign">sign</a></i><sub>opt</sub> <i><a href="#grammar-str-number">str-number</a></i>
+
+<a name="grammar-str-whitespace"><i>str-whitespace::</i>
+ <i><a href="#grammar-str-whitespace">str-whitespace</a></i><sub>opt</sub> <i><a href="#grammar-str-whitespace-char">str-whitespace-char</a></i>
+
+<a name="grammar-str-whitespace-char"><i>str-whitespace-char::</i>
+ <i><a href="09-lexical-structure.md#grammar-new-line">new-line</a></i>
+ Space character (U+0020)
+ Horizontal-tab character (U+0009)
+ Vertical-tab character (U+000B)
+ Form-feed character (U+000C)
+
+<a name="grammar-str-number"><i>str-number::</i>
+ <i><a href="09-lexical-structure.md#grammar-digit-sequence">digit-sequence</a></i>
+ <i><a href="09-lexical-structure.md#grammar-floating-literal">floating-literal</a></i>
 </pre>
 
 Note that *digit-sequence* is interpreted as having base-10 (so `"0377"` is treated as 377 decimal with a redundant

spec/07-variables.md

@@ -282,18 +282,18 @@ function-static-initializer:
 -->
 
 <pre>
- <i>function-static-declaration:</i>
-  static <i>static-variable-name-list</i> ;
+<a name="grammar-function-static-declaration"><i>function-static-declaration:</i>
+ static  <i><a href="#grammar-static-variable-name-list">static-variable-name-list</a></i>  ;
 
- <i>static-variable-name-list:</i>
-  <i>static-variable-declaration</i>
-  <i>static-variable-name-list</i> , <i>static-variable-declaration</i>
+<a name="grammar-static-variable-name-list"><i>static-variable-name-list:</i>
+ <i><a href="#grammar-static-variable-declaration">static-variable-declaration</a></i>
+ <i><a href="#grammar-static-variable-name-list">static-variable-name-list</a></i>  ,  <i><a href="#grammar-static-variable-declaration">static-variable-declaration</a></i>
 
- <i>static-variable-declaration:</i>
-  <i>variable-name</i> <i>function-static-initializer<sub>opt</sub></i>
+<a name="grammar-static-variable-declaration"><i>static-variable-declaration:</i>
+ <i><a href="09-lexical-structure.md#grammar-variable-name">variable-name</a></i>  <i><a href="#grammar-function-static-initializer">function-static-initializer</a></i><sub>opt</sub>
 
- <i>function-static-initializer:</i>
-  = <i>constant-expression</i>
+<a name="grammar-function-static-initializer"><i>function-static-initializer:</i>
+ = <i><a href="10-expressions.md#grammar-constant-expression">constant-expression</a></i>
 </pre>
 
 **Constraints**
@@ -370,12 +370,12 @@ variable-name-list:
 -->
 
 <pre>
- <i>global-declaration:</i>
-  global <i>variable-name-list</i> ;
+<a name="grammar-global-declaration"><i>global-declaration:</i>
+ global  <i><a href="#grammar-variable-name-list">variable-name-list</a></i>  ;
 
- <i>variable-name-list:</i>
-  <i>simple-variable</i>
-  <i>variable-name-list</i> , <i>simple-variable</i>
+<a name="grammar-variable-name-list"><i>variable-name-list:</i>
+ <i><a href="10-expressions.md#grammar-simple-variable">simple-variable</a></i>
+ <i><a href="#grammar-variable-name-list">variable-name-list</a></i>  ,  <i><a href="10-expressions.md#grammar-simple-variable">simple-variable</a></i>
 </pre>
 
 **Semantics**