just a Pcre expression fixed, nothing real

[helm.git] / matita / help / C / sec_terms.xml

diff --git a/matita/help/C/sec_terms.xml b/matita/help/C/sec_terms.xml
index 30692211e93b52de3dc55fa181dd3532fedc581e..05385f666b3a41ad4267a1977c0e8c8dac9aa4d5 100644 (file)
--- a/matita/help/C/sec_terms.xml
+++ b/matita/help/C/sec_terms.xml
@@ -26,6 +26,18 @@
   <title>Terms &amp; co.</title>
   <sect2 id="lexical">
   <title>Lexical conventions</title>
+    <table frame="topbot" rowsep="0" colsep="0" role="grammar">
+      <title>qstring</title>
+      <tgroup cols="4">
+      <tbody>
+       <row>
+       <entry id="grammar.qstring">&qstring;</entry>
+       <entry>::=</entry>
+        <entry><emphasis role="bold">&quot;</emphasis><emphasis>〈〈any sequence of characters excluded &quot;〉〉</emphasis><emphasis role="bold">&quot;</emphasis></entry>
+       </row>
+      </tbody>
+     </tgroup>
+    </table>
     <table frame="topbot" rowsep="0" colsep="0" role="grammar">
       <title>id</title>
       <tgroup cols="4">
@@ -186,7 +198,7 @@
        <entry id="grammar.rec_def">&rec_def;</entry>
        <entry>::=</entry>
        <entry>
-         &id; [&id;|<emphasis role="bold">(</emphasis>&id;[<emphasis role="bold">,</emphasis>&term;]… <emphasis role="bold">:</emphasis>&term;<emphasis role="bold">)</emphasis>]…
+         &id; [&id;|<emphasis role="bold">_</emphasis>|<emphasis role="bold">(</emphasis>&id;[<emphasis role="bold">,</emphasis>&id;]… <emphasis role="bold">:</emphasis>&term;<emphasis role="bold">)</emphasis>]…
        </entry>
        <entry />
       </row>
@@ -194,7 +206,7 @@
        <entry />
        <entry />
        <entry>
-         [<emphasis role="bold">on</emphasis> &nat;]
+         [<emphasis role="bold">on</emphasis> &id;]
          [<emphasis role="bold">:</emphasis> &term;]
          <emphasis role="bold">≝</emphasis> &term;]
        </entry>
@@ -273,7 +285,7 @@
       <entry/>
       <entry>|</entry>
         <entry><emphasis role="bold">match</emphasis> &term; 
-        [ <emphasis role="bold">in</emphasis> &term; ]
+        [ <emphasis role="bold">in</emphasis> &id; ]
         [ <emphasis role="bold">return</emphasis> &term; ]
         <emphasis role="bold">with</emphasis>
       </entry>
@@ -375,6 +387,12 @@
       <entry><emphasis role="bold">(</emphasis>&id; &id; [&id;]…<emphasis role="bold">)</emphasis></entry>
       <entry>n-ary constructor (binds the n arguments)</entry>
      </row>
+     <row>
+      <entry/>
+      <entry>|</entry>
+      <entry>&id; &id; [&id;]…</entry>
+      <entry>n-ary constructor (binds the n arguments)</entry>
+     </row>
     </tbody>
    </tgroup>
   </table>
@@ -405,6 +423,11 @@
      <command>f</command> must be defined by means of tactics.</para>
     <para>Notice that the command is equivalent to <command>theorem f: T ≝ t</command>.</para>
   </sect2>
+  <sect2 id="letrec">
+    <title><emphasis role="bold">letrec</emphasis> &TODO;</title>
+    <titleabbrev>&TODO;</titleabbrev>
+    <para>&TODO;</para>
+  </sect2>
   <sect2 id="inductive">
     <title>[<emphasis role="bold">inductive</emphasis>|<emphasis role="bold">coinductive</emphasis>] &id; [&args2;]… <emphasis role="bold">:</emphasis> &term; <emphasis role="bold">≝</emphasis> [<emphasis role="bold">|</emphasis>] [&id;<emphasis role="bold">:</emphasis>&term;] [<emphasis role="bold">|</emphasis> &id;<emphasis role="bold">:</emphasis>&term;]…
 [<emphasis role="bold">with</emphasis> &id; <emphasis role="bold">:</emphasis> &term; <emphasis role="bold">≝</emphasis> [<emphasis role="bold">|</emphasis>] [&id;<emphasis role="bold">:</emphasis>&term;] [<emphasis role="bold">|</emphasis> &id;<emphasis role="bold">:</emphasis>&term;]…]…
@@ -479,7 +502,7 @@
     <para>Notice that the command is equivalent to <command>definition f: T ≝ t</command>.</para>
    </sect2>
    <sect2 id="variant">
-    <title><emphasis role="bold">variant</emphasis> &id;[<emphasis role="bold">:</emphasis> &term;] [<emphasis role="bold">≝</emphasis> &term;]</title>
+    <title><emphasis role="bold">variant</emphasis> &id;<emphasis role="bold">:</emphasis> &term; <emphasis role="bold">≝</emphasis> &term;</title>
     <titleabbrev>variant</titleabbrev>
     <para><userinput>variant f: T ≝ t</userinput></para>
     <para>Same as <command>theorem f: T ≝ t</command>, but it does not
@@ -643,11 +666,6 @@
        <row>
        <entry id="grammar.reduction-kind">&reduction-kind;</entry>
        <entry>::=</entry>
-        <entry><emphasis role="bold">demodulate</emphasis></entry>
-       </row>
-       <row>
-        <entry/>
-        <entry>|</entry>
         <entry><emphasis role="bold">normalize</emphasis></entry>
         <entry>Computes the βδιζ-normal form</entry>
        </row>
@@ -680,6 +698,36 @@
      </tgroup>
     </table>
     </sect2>
+
+    <sect2 id="auto-params">
+    <title>auto-params</title>
+    <para>&TODO;</para>
+    <table frame="topbot" rowsep="0" colsep="0" role="grammar">
+      <title>reduction-kind</title>
+      <tgroup cols="4">
+      <tbody>
+       <row>
+       <entry id="grammar.autoparams">&autoparams;</entry>
+       <entry>::=</entry>
+        <entry><emphasis role="bold">depth=&nat;</emphasis></entry>
+        <entry>&TODO;</entry>
+       </row>
+       <row>
+        <entry/>
+        <entry>|</entry>
+        <entry><emphasis role="bold">width=&nat;</emphasis></entry>
+        <entry>&TODO;</entry>
+       </row>
+       <row>
+        <entry/>
+        <entry>|</entry>
+        <entry><emphasis role="bold">&TODO;</emphasis></entry>
+        <entry>&TODO;</entry>
+       </row>
+      </tbody>
+     </tgroup>
+    </table>
+    </sect2>
   </sect1>
 
 </chapter>