Update libxml to 2.7.7.

third_party/libxml/include/libxml/xmlregexp.h

 /*
  * Summary: regular expressions handling
  * Description: basic API for libxml regular expressions handling used
  *              for XML Schemas and validation.
  *
  * Copy: See Copyright for the status of this software.
  *
  * Author: Daniel Veillard
  */
 
@@ skipping 20 matching lines @@
 /**
  * xmlRegExecCtxtPtr:
  *
  * A libxml progressive regular expression evaluation context
  */
 typedef struct _xmlRegExecCtxt xmlRegExecCtxt;
 typedef xmlRegExecCtxt *xmlRegExecCtxtPtr;
 
 #ifdef __cplusplus
 }
-#endif 
+#endif
 #include <libxml/tree.h>
 #include <libxml/dict.h>
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /*
  * The POSIX like API
  */
 XMLPUBFUN xmlRegexpPtr XMLCALL
                     xmlRegexpCompile    (const xmlChar *regexp);
 XMLPUBFUN void XMLCALL                   xmlRegFreeRegexp(xmlRegexpPtr regexp);
-XMLPUBFUN int XMLCALL                   
+XMLPUBFUN int XMLCALL
                     xmlRegexpExec       (xmlRegexpPtr comp,
                                          const xmlChar *value);
-XMLPUBFUN void XMLCALL                  
-                    xmlRegexpPrint      (FILE *output,
+XMLPUBFUN void XMLCALL
+                    xmlRegexpPrint      (FILE *output,
                                          xmlRegexpPtr regexp);
-XMLPUBFUN int XMLCALL                   
+XMLPUBFUN int XMLCALL
                     xmlRegexpIsDeterminist(xmlRegexpPtr comp);
 
-/*
+/**
+ * xmlRegExecCallbacks:
+ * @exec: the regular expression context
+ * @token: the current token string
+ * @transdata: transition data
+ * @inputdata: input data
+ *
  * Callback function when doing a transition in the automata
  */
 typedef void (*xmlRegExecCallbacks) (xmlRegExecCtxtPtr exec,
                                      const xmlChar *token,
                                      void *transdata,
                                      void *inputdata);
 
 /*
  * The progressive API
  */
-XMLPUBFUN xmlRegExecCtxtPtr XMLCALL     
-                    xmlRegNewExecCtxt   (xmlRegexpPtr comp,
+XMLPUBFUN xmlRegExecCtxtPtr XMLCALL
+                    xmlRegNewExecCtxt   (xmlRegexpPtr comp,
                                          xmlRegExecCallbacks callback,
                                          void *data);
-XMLPUBFUN void XMLCALL                  
+XMLPUBFUN void XMLCALL
                     xmlRegFreeExecCtxt  (xmlRegExecCtxtPtr exec);
-XMLPUBFUN int XMLCALL                   
-                    xmlRegExecPushString(xmlRegExecCtxtPtr exec,
+XMLPUBFUN int XMLCALL
+                    xmlRegExecPushString(xmlRegExecCtxtPtr exec,
                                          const xmlChar *value,
                                          void *data);
-XMLPUBFUN int XMLCALL                   
+XMLPUBFUN int XMLCALL
                     xmlRegExecPushString2(xmlRegExecCtxtPtr exec,
                                          const xmlChar *value,
                                          const xmlChar *value2,
                                          void *data);
 
 XMLPUBFUN int XMLCALL
                     xmlRegExecNextValues(xmlRegExecCtxtPtr exec,
-                                         int *nbval,
-                                         int *nbneg,
+                                         int *nbval,
+                                         int *nbneg,
                                          xmlChar **values,
                                          int *terminal);
 XMLPUBFUN int XMLCALL
                     xmlRegExecErrInfo   (xmlRegExecCtxtPtr exec,
-                                         const xmlChar **string,
+                                         const xmlChar **string,
                                          int *nbval,
-                                         int *nbneg,
+                                         int *nbneg,
                                          xmlChar **values,
                                          int *terminal);
 #ifdef LIBXML_EXPR_ENABLED
 /*
  * Formal regular expression handling
  * Its goal is to do some formal work on content models
  */
 
 /* expressions are used within a context */
 typedef struct _xmlExpCtxt xmlExpCtxt;
@@ skipping 17 matching lines @@
 typedef enum {
     XML_EXP_EMPTY = 0,
     XML_EXP_FORBID = 1,
     XML_EXP_ATOM = 2,
     XML_EXP_SEQ = 3,
     XML_EXP_OR = 4,
     XML_EXP_COUNT = 5
 } xmlExpNodeType;
 
 /*
- * 2 core expressions shared by all for the empty language set 
+ * 2 core expressions shared by all for the empty language set
  * and for the set with just the empty token
  */
 XMLPUBVAR xmlExpNodePtr forbiddenExp;
 XMLPUBVAR xmlExpNodePtr emptyExp;
 
 /*
  * Expressions are reference counted internally
  */
 XMLPUBFUN void XMLCALL
                         xmlExpFree      (xmlExpCtxtPtr ctxt,
@@ skipping 53 matching lines @@
 XMLPUBFUN int XMLCALL
                         xmlExpSubsume   (xmlExpCtxtPtr ctxt,
                                          xmlExpNodePtr expr,
                                          xmlExpNodePtr sub);
 XMLPUBFUN void XMLCALL
                         xmlExpDump      (xmlBufferPtr buf,
                                          xmlExpNodePtr expr);
 #endif /* LIBXML_EXPR_ENABLED */
 #ifdef __cplusplus
 }
-#endif 
+#endif
 
 #endif /* LIBXML_REGEXP_ENABLED */
 
 #endif /*__XML_REGEXP_H__ */