* merged with apt--mvo

Patches applied:

 * apt@packages.debian.org/apt--sources-list-d--0--base-0
   tag of apt@packages.debian.org/apt--main--0--patch-30

 * apt@packages.debian.org/apt--sources-list-d--0--patch-1
   Patch from apt-rpm via Michael Vogt to implement /etc/apt/sources.list.d

 * bubulle@debian.org--2005/apt--main--0--patch-130
   Galician translation completed

 * bubulle@debian.org--2005/apt--main--0--patch-131
   Simplified Chinese translation update

 * bubulle@debian.org--2005/apt--main--0--patch-132
   Completed Simplified Chinese translation

 * bubulle@debian.org--2005/apt--main--0--patch-133
   Merge with Michael AND update PO files

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-90
   * merged the sources.list.d patch

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-91
   * merged with bubulle

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-92
   * changelog update

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-93
   * sources.list.d documented

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-94
   * pkgDirStream has (slightly) better extract support now

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-95
   * merge fix for #339533

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-96
   * merged with bubulle

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-97
   * some more debug output

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-98
   * ABI change: merged more flexible pkgAcquireFile code

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-99
   * merged http download limit for apt (#146877)

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-100
   * applied parts of the string speedup patch from debian #319377 (ABI change)

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-101
   * fix for #340448

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-102
   * finalized this release

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-103
   * changelog updates

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-104
   * build-depend on libdb4.3 now, fix for kFreeBSD (#317718)

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-105
   * fix mailaddress

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-106
   * fix a string (thanks to bubulle)

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-107
   * merged with bubulle

8 files changed, 79 insertions, 79 deletions

diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 09e454be9..14a000fa5 100644
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -110,7 +110,7 @@ Configuration::Item *Configuration::Lookup(Item *Head,const char *S,
       return 0;
    
    I = new Item;
-   I->Tag = string(S,Len);
+   I->Tag.assign(S,Len);
    I->Next = *Last;
    I->Parent = Head;
    *Last = I;
@@ -161,7 +161,7 @@ string Configuration::Find(const char *Name,const char *Default) const
    if (Itm == 0 || Itm->Value.empty() == true)
    {
       if (Default == 0)
-	 return string();
+	 return "";
       else
 	 return Default;
    }
@@ -180,7 +180,7 @@ string Configuration::FindFile(const char *Name,const char *Default) const
    if (Itm == 0 || Itm->Value.empty() == true)
    {
       if (Default == 0)
-	 return string();
+	 return "";
       else
 	 return Default;
    }
@@ -294,7 +294,7 @@ string Configuration::FindAny(const char *Name,const char *Default) const
 // Configuration::CndSet - Conditinal Set a value			/*{{{*/
 // ---------------------------------------------------------------------
 /* This will not overwrite */
-void Configuration::CndSet(const char *Name,string Value)
+void Configuration::CndSet(const char *Name,const string &Value)
 {
    Item *Itm = Lookup(Name,true);
    if (Itm == 0)
@@ -306,7 +306,7 @@ void Configuration::CndSet(const char *Name,string Value)
 // Configuration::Set - Set a value					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void Configuration::Set(const char *Name,string Value)
+void Configuration::Set(const char *Name,const string &Value)
 {
    Item *Itm = Lookup(Name,true);
    if (Itm == 0)
@@ -330,7 +330,7 @@ void Configuration::Set(const char *Name,int Value)
 // Configuration::Clear - Clear an single value from a list	        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void Configuration::Clear(string Name, int Value)
+void Configuration::Clear(const string Name, int Value)
 {
    char S[300];
    snprintf(S,sizeof(S),"%i",Value);
@@ -340,7 +340,7 @@ void Configuration::Clear(string Name, int Value)
 // Configuration::Clear - Clear an single value from a list	        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void Configuration::Clear(string Name, string Value)
+void Configuration::Clear(const string Name, string Value)
 {
    Item *Top = Lookup(Name.c_str(),false);
    if (Top == 0 || Top->Child == 0)
@@ -377,7 +377,7 @@ void Configuration::Clear(string Name)
    if (Top == 0) 
       return;
 
-   Top->Value = string();
+   Top->Value.clear();
    Item *Stop = Top;
    Top = Top->Child;
    Stop->Child = 0;
@@ -485,7 +485,7 @@ string Configuration::Item::FullTag(const Item *Stop) const
    sections like 'zone "foo.org" { .. };' This causes each section to be
    added in with a tag like "zone::foo.org" instead of being split 
    tag/value. AsSectional enables Sectional parsing.*/
-bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional,
+bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional,
 		    unsigned Depth)
 {   
    // Open the stream for reading
@@ -711,13 +711,13 @@ bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional,
 	    }
 	    
 	    // Empty the buffer
-	    LineBuffer = string();
+	    LineBuffer.clear();
 	    
 	    // Move up a tag, but only if there is no bit to parse
 	    if (TermChar == '}')
 	    {
 	       if (StackPos == 0)
-		  ParentTag = string();
+		  ParentTag.clear();
 	       else
 		  ParentTag = Stack[--StackPos];
 	    }
@@ -742,8 +742,8 @@ bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional,
 // ReadConfigDir - Read a directory of config files			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool ReadConfigDir(Configuration &Conf,string Dir,bool AsSectional,
-		    unsigned Depth)
+bool ReadConfigDir(Configuration &Conf,const string &Dir,bool AsSectional,
+		   unsigned Depth)
 {   
    DIR *D = opendir(Dir.c_str());
    if (D == 0)
diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index 789bc82cf..0d4078dab 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -69,30 +69,30 @@ class Configuration
    public:
 
    string Find(const char *Name,const char *Default = 0) const;
-   string Find(string Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
+   string Find(const string Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
    string FindFile(const char *Name,const char *Default = 0) const;
    string FindDir(const char *Name,const char *Default = 0) const;
    int FindI(const char *Name,int Default = 0) const;
-   int FindI(string Name,int Default = 0) const {return FindI(Name.c_str(),Default);};
+   int FindI(const string Name,int Default = 0) const {return FindI(Name.c_str(),Default);};
    bool FindB(const char *Name,bool Default = false) const;
-   bool FindB(string Name,bool Default = false) const {return FindB(Name.c_str(),Default);};
+   bool FindB(const string Name,bool Default = false) const {return FindB(Name.c_str(),Default);};
    string FindAny(const char *Name,const char *Default = 0) const;
 	      
-   inline void Set(string Name,string Value) {Set(Name.c_str(),Value);};
-   void CndSet(const char *Name,string Value);
-   void Set(const char *Name,string Value);
+   inline void Set(const string Name,string Value) {Set(Name.c_str(),Value);};
+   void CndSet(const char *Name,const string &Value);
+   void Set(const char *Name,const string &Value);
    void Set(const char *Name,int Value);   
    
-   inline bool Exists(string Name) const {return Exists(Name.c_str());};
+   inline bool Exists(const string Name) const {return Exists(Name.c_str());};
    bool Exists(const char *Name) const;
    bool ExistsAny(const char *Name) const;
 
    // clear a whole tree
-   void Clear(string Name);
+   void Clear(const string Name);
 
    // remove a certain value from a list (e.g. the list of "APT::Keep-Fds")
-   void Clear(string List, string Value);
-   void Clear(string List, int Value);
+   void Clear(const string List, string Value);
+   void Clear(const string List, int Value);
 
    inline const Item *Tree(const char *Name) const {return Lookup(Name);};
 
@@ -106,10 +106,12 @@ class Configuration
 
 extern Configuration *_config;
 
-bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional = false,
+bool ReadConfigFile(Configuration &Conf,const string &FName,
+		    bool AsSectional = false,
 		    unsigned Depth = 0);
 
-bool ReadConfigDir(Configuration &Conf,string Dir,bool AsSectional = false,
-		    unsigned Depth = 0);
+bool ReadConfigDir(Configuration &Conf,const string &Dir,
+		   bool AsSectional = false,
+		   unsigned Depth = 0);
 
 #endif
diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index 9447e9956..e280d714e 100644
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -29,6 +29,7 @@
 
 #include <string>
 #include <algorithm>
+#include <stdint.h>
 
 using std::string;
 using std::min;
diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h
index caffa0f90..e329b167a 100644
--- a/apt-pkg/contrib/mmap.h
+++ b/apt-pkg/contrib/mmap.h
@@ -94,7 +94,7 @@ class DynamicMMap : public MMap
    unsigned long RawAllocate(unsigned long Size,unsigned long Aln = 0);
    unsigned long Allocate(unsigned long ItemSize);
    unsigned long WriteString(const char *String,unsigned long Len = (unsigned long)-1);
-   inline unsigned long WriteString(string S) {return WriteString(S.c_str(),S.length());};
+   inline unsigned long WriteString(const string &S) {return WriteString(S.c_str(),S.length());};
    void UsePools(Pool &P,unsigned int Count) {Pools = &P; PoolCount = Count;};
    
    DynamicMMap(FileFd &F,unsigned long Flags,unsigned long WorkSpace = 2*1024*1024);
diff --git a/apt-pkg/contrib/progress.cc b/apt-pkg/contrib/progress.cc
index 8eb36fc20..cb272e389 100644
--- a/apt-pkg/contrib/progress.cc
+++ b/apt-pkg/contrib/progress.cc
@@ -50,7 +50,7 @@ void OpProgress::Progress(unsigned long Cur)
 // ---------------------------------------------------------------------
 /* */
 void OpProgress::OverallProgress(unsigned long Current, unsigned long Total,
-	  			 unsigned long Size,string Op)
+	  			 unsigned long Size,const string &Op)
 {
    this->Current = Current;
    this->Total = Total;
@@ -67,7 +67,7 @@ void OpProgress::OverallProgress(unsigned long Current, unsigned long Total,
 // OpProgress::SubProgress - Set the sub progress state			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void OpProgress::SubProgress(unsigned long SubTotal,string Op)
+void OpProgress::SubProgress(unsigned long SubTotal,const string &Op)
 {
    this->SubTotal = SubTotal;
    SubOp = Op;
diff --git a/apt-pkg/contrib/progress.h b/apt-pkg/contrib/progress.h
index d0b1f5f94..20caf4cdf 100644
--- a/apt-pkg/contrib/progress.h
+++ b/apt-pkg/contrib/progress.h
@@ -59,9 +59,9 @@ class OpProgress
    
    void Progress(unsigned long Current);
    void SubProgress(unsigned long SubTotal);
-   void SubProgress(unsigned long SubTotal,string Op);
+   void SubProgress(unsigned long SubTotal,const string &Op);
    void OverallProgress(unsigned long Current,unsigned long Total,
-			unsigned long Size,string Op);
+			unsigned long Size,const string &Op);
    virtual void Done() {};
    
    OpProgress();
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 303cb27db..37d263794 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -242,10 +242,10 @@ bool ParseCWord(const char *&String,string &Res)
 // QuoteString - Convert a string into quoted from			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string QuoteString(string Str,const char *Bad)
+string QuoteString(const string &Str, const char *Bad)
 {
    string Res;
-   for (string::iterator I = Str.begin(); I != Str.end(); I++)
+   for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
    {
       if (strchr(Bad,*I) != 0 || isprint(*I) == 0 || 
 	  *I <= 0x20 || *I >= 0x7F)
@@ -263,7 +263,7 @@ string QuoteString(string Str,const char *Bad)
 // DeQuoteString - Convert a string from quoted from                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This undoes QuoteString */
-string DeQuoteString(string Str)
+string DeQuoteString(const string &Str)
 {
    string Res;
    for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
@@ -360,7 +360,7 @@ string TimeToStr(unsigned long Sec)
 // SubstVar - Substitute a string for another string			/*{{{*/
 // ---------------------------------------------------------------------
 /* This replaces all occurances of Subst with Contents in Str. */
-string SubstVar(string Str,string Subst,string Contents)
+string SubstVar(const string &Str,const string &Subst,const string &Contents)
 {
    string::size_type Pos = 0;
    string::size_type OldPos = 0;
@@ -391,21 +391,18 @@ string SubstVar(string Str,const struct SubstVar *Vars)
 /* This converts a URI into a safe filename. It quotes all unsafe characters
    and converts / to _ and removes the scheme identifier. The resulting
    file name should be unique and never occur again for a different file */
-string URItoFileName(string URI)
+string URItoFileName(const string &URI)
 {
    // Nuke 'sensitive' items
    ::URI U(URI);
-   U.User = string();
-   U.Password = string();
-   U.Access = "";
+   U.User.clear();
+   U.Password.clear();
+   U.Access.clear();
    
    // "\x00-\x20{}|\\\\^\\[\\]<>\"\x7F-\xFF";
-   URI = QuoteString(U,"\\|{}[]<>\"^~=!@#$%^&*");
-   string::iterator J = URI.begin();
-   for (; J != URI.end(); J++)
-      if (*J == '/') 
-	 *J = '_';
-   return URI;
+   string NewURI = QuoteString(U,"\\|{}[]<>\"^~_=!@#$%^&*");
+   replace(NewURI.begin(),NewURI.end(),'/','_');
+   return NewURI;
 }
 									/*}}}*/
 // Base64Encode - Base64 Encoding routine for short strings		/*{{{*/
@@ -414,7 +411,7 @@ string URItoFileName(string URI)
    from wget and then patched and bug fixed.
  
    This spec can be found in rfc2045 */
-string Base64Encode(string S)
+string Base64Encode(const string &S)
 {
    // Conversion table.
    static char tbl[64] = {'A','B','C','D','E','F','G','H',
@@ -583,17 +580,17 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
 // ---------------------------------------------------------------------
 /* The format is like those used in package files and the method 
    communication system */
-string LookupTag(string Message,const char *Tag,const char *Default)
+string LookupTag(const string &Message,const char *Tag,const char *Default)
 {
    // Look for a matching tag.
    int Length = strlen(Tag);
-   for (string::iterator I = Message.begin(); I + Length < Message.end(); I++)
+   for (string::const_iterator I = Message.begin(); I + Length < Message.end(); I++)
    {
       // Found the tag
       if (I[Length] == ':' && stringcasecmp(I,I+Length,Tag) == 0)
       {
 	 // Find the end of line and strip the leading/trailing spaces
-	 string::iterator J;
+	 string::const_iterator J;
 	 I += Length + 1;
 	 for (; isspace(*I) != 0 && I < Message.end(); I++);
 	 for (J = I; *J != '\n' && J < Message.end(); J++);
@@ -615,7 +612,7 @@ string LookupTag(string Message,const char *Tag,const char *Default)
 // ---------------------------------------------------------------------
 /* This inspects the string to see if it is true or if it is false and
    then returns the result. Several varients on true/false are checked. */
-int StringToBool(string Text,int Default)
+int StringToBool(const string &Text,int Default)
 {
    char *End;
    int Res = strtol(Text.c_str(),&End,0);   
@@ -781,7 +778,7 @@ static time_t timegm(struct tm *t)
    'timegm' to convert a struct tm in UTC to a time_t. For some bizzar
    reason the C library does not provide any such function :< This also
    handles the weird, but unambiguous FTP time format*/
-bool StrToTime(string Val,time_t &Result)
+bool StrToTime(const string &Val,time_t &Result)
 {
    struct tm Tm;
    char Month[10];
@@ -868,7 +865,7 @@ static int HexDigit(int c)
 // Hex2Num - Convert a long hex number into a buffer			/*{{{*/
 // ---------------------------------------------------------------------
 /* The length of the buffer must be exactly 1/2 the length of the string. */
-bool Hex2Num(string Str,unsigned char *Num,unsigned int Length)
+bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length)
 {
    if (Str.length() != Length*2)
       return false;
@@ -1029,7 +1026,7 @@ char *safe_snprintf(char *Buffer,char *End,const char *Format,...)
 // ---------------------------------------------------------------------
 /* The domain list is a comma seperate list of domains that are suffix
    matched against the argument */
-bool CheckDomainList(string Host,string List)
+bool CheckDomainList(const string &Host,const string &List)
 {
    string::const_iterator Start = List.begin();
    for (string::const_iterator Cur = List.begin(); Cur <= List.end(); Cur++)
@@ -1052,7 +1049,7 @@ bool CheckDomainList(string Host,string List)
 // URI::CopyFrom - Copy from an object					/*{{{*/
 // ---------------------------------------------------------------------
 /* This parses the URI into all of its components */
-void URI::CopyFrom(string U)
+void URI::CopyFrom(const string &U)
 {
    string::const_iterator I = U.begin();
 
@@ -1081,9 +1078,9 @@ void URI::CopyFrom(string U)
       SingleSlash = U.end();
 
    // We can now write the access and path specifiers
-   Access = string(U,0,FirstColon - U.begin());
+   Access.assign(U.begin(),FirstColon);
    if (SingleSlash != U.end())
-      Path = string(U,SingleSlash - U.begin());
+      Path.assign(SingleSlash,U.end());
    if (Path.empty() == true)
       Path = "/";
 
@@ -1113,14 +1110,14 @@ void URI::CopyFrom(string U)
    if (At == SingleSlash)
    {
       if (FirstColon < SingleSlash)
-	 Host = string(U,FirstColon - U.begin(),SingleSlash - FirstColon);
+	 Host.assign(FirstColon,SingleSlash);
    }
    else
    {
-      Host = string(U,At - U.begin() + 1,SingleSlash - At - 1);
-      User = string(U,FirstColon - U.begin(),SecondColon - FirstColon);
+      Host.assign(At+1,SingleSlash);
+      User.assign(FirstColon,SecondColon);
       if (SecondColon < At)
-	 Password = string(U,SecondColon - U.begin() + 1,At - SecondColon - 1);
+	 Password.assign(SecondColon+1,At);
    }   
    
    // Now we parse the RFC 2732 [] hostnames.
@@ -1148,7 +1145,7 @@ void URI::CopyFrom(string U)
    // Tsk, weird.
    if (InBracket == true)
    {
-      Host = string();
+      Host.clear();
       return;
    }
    
@@ -1159,7 +1156,7 @@ void URI::CopyFrom(string U)
       return;
    
    Port = atoi(string(Host,Pos+1).c_str());
-   Host = string(Host,0,Pos);
+   Host.assign(Host,0,Pos);
 }
 									/*}}}*/
 // URI::operator string - Convert the URI to a string			/*{{{*/
@@ -1214,12 +1211,12 @@ URI::operator string()
 // URI::SiteOnly - Return the schema and site for the URI		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string URI::SiteOnly(string URI)
+string URI::SiteOnly(const string &URI)
 {
    ::URI U(URI);
-   U.User = string();
-   U.Password = string();
-   U.Path = string();
+   U.User.clear();
+   U.Password.clear();
+   U.Path.clear();
    U.Port = 0;
    return U;
 }
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 72fc34d6d..254087267 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -44,24 +44,24 @@ char *_strstrip(char *String);
 char *_strtabexpand(char *String,size_t Len);
 bool ParseQuoteWord(const char *&String,string &Res);
 bool ParseCWord(const char *&String,string &Res);
-string QuoteString(string Str,const char *Bad);
-string DeQuoteString(string Str);
+string QuoteString(const string &Str,const char *Bad);
+string DeQuoteString(const string &Str);
 string SizeToStr(double Bytes);
 string TimeToStr(unsigned long Sec);
-string Base64Encode(string Str);
-string URItoFileName(string URI);
+string Base64Encode(const string &Str);
+string URItoFileName(const string &URI);
 string TimeRFC1123(time_t Date);
-bool StrToTime(string Val,time_t &Result);
-string LookupTag(string Message,const char *Tag,const char *Default = 0);
-int StringToBool(string Text,int Default = -1);
+bool StrToTime(const string &Val,time_t &Result);
+string LookupTag(const string &Message,const char *Tag,const char *Default = 0);
+int StringToBool(const string &Text,int Default = -1);
 bool ReadMessages(int Fd, vector<string> &List);
 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
-bool Hex2Num(string Str,unsigned char *Num,unsigned int Length);
+bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length);
 bool TokSplitString(char Tok,char *Input,char **List,
 		    unsigned long ListMax);
 void ioprintf(ostream &out,const char *format,...) APT_FORMAT2;
 char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_FORMAT3;
-bool CheckDomainList(string Host,string List);
+bool CheckDomainList(const string &Host, const string &List);
 
 #define APT_MKSTRCMP(name,func) \
 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
@@ -102,7 +102,7 @@ inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
 
 class URI
 {
-   void CopyFrom(string From);
+   void CopyFrom(const string &From);
 		 
    public:
    
@@ -114,9 +114,9 @@ class URI
    unsigned int Port;
    
    operator string();
-   inline void operator =(string From) {CopyFrom(From);};
+   inline void operator =(const string &From) {CopyFrom(From);};
    inline bool empty() {return Access.empty();};
-   static string SiteOnly(string URI);
+   static string SiteOnly(const string &URI);
    
    URI(string Path) {CopyFrom(Path);};
    URI() : Port(0) {};
@@ -128,7 +128,7 @@ struct SubstVar
    const string *Contents;
 };
 string SubstVar(string Str,const struct SubstVar *Vars);
-string SubstVar(string Str,string Subst,string Contents);
+string SubstVar(const string &Str,const string &Subst,const string &Contents);
 
 struct RxChoiceList
 {