Added missing function descriptions.

* xmlschemastypes.c: Added missing function descriptions.
diff --git a/ChangeLog b/ChangeLog
index ada4584..67d710e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Jun 15 15:34:52 CEST 2005 Kasimier Buchcik <libxml2-cvs@cazic.net>
+
+	* xmlschemastypes.c: Added missing function descriptions.
+
 Wed Jun 15 15:26:14 CEST 2005 Daniel Veillard <daniel@veillard.com>
 
 	* xmllint.c: if sax1 is used and input is a file use the old
diff --git a/xmlschemastypes.c b/xmlschemastypes.c
index 3e751ff..d9fee06 100644
--- a/xmlschemastypes.c
+++ b/xmlschemastypes.c
@@ -717,6 +717,15 @@
     }
 }
 
+/**
+ * xmlSchemaValueAppend:
+ * @prev: the value
+ * @cur: the value to be appended
+ *
+ * Appends a next sibling to a list of computed values.
+ *
+ * Returns 0 if succeeded and -1 on API errors.
+ */
 int
 xmlSchemaValueAppend(xmlSchemaValPtr prev, xmlSchemaValPtr cur) {
 
@@ -726,6 +735,15 @@
     return (0);
 }
 
+/**
+ * xmlSchemaValueGetNext:
+ * @cur: the value
+ *
+ * Accessor for the next sibling of a list of computed values.
+ *
+ * Returns the next value or NULL if there was none, or on
+ *         API errors.
+ */
 xmlSchemaValPtr
 xmlSchemaValueGetNext(xmlSchemaValPtr cur) {
 
@@ -734,6 +752,15 @@
     return (cur->next);
 }
 
+/**
+ * xmlSchemaValueGetAsString:
+ * @val: the value
+ *
+ * Accessor for the string value of a computed value.
+ *
+ * Returns the string value or NULL if there was none, or on
+ *         API errors.
+ */
 const xmlChar *
 xmlSchemaValueGetAsString(xmlSchemaValPtr val)
 {    
@@ -759,6 +786,14 @@
     return (NULL);
 }
 
+/**
+ * xmlSchemaValueGetAsBoolean:
+ * @val: the value
+ *
+ * Accessor for the boolean value of a computed value.
+ *
+ * Returns 1 if true and 0 if false, or in case of an error. Hmm.
+ */
 int
 xmlSchemaValueGetAsBoolean(xmlSchemaValPtr val)
 {