Expand usemorebits early if d_casti32 needs to be undefined.

[p5sagit/p5-mst-13.2.git] / pod / perlapi.pod

diff --git a/pod/perlapi.pod b/pod/perlapi.pod
index 40d40fe..7b6ad4a 100644 (file)
--- a/pod/perlapi.pod
+++ b/pod/perlapi.pod
@@ -1035,9 +1035,10 @@ Found in file handy.h
 
 =item is_utf8_char
 
-Tests if some arbitrary number of bytes begins in a valid UTF-8 character.
-The actual number of bytes in the UTF-8 character will be returned if it
-is valid, otherwise 0. 
+Tests if some arbitrary number of bytes begins in a valid UTF-8
+character.  Note that an ASCII character is a valid UTF-8 character.
+The actual number of bytes in the UTF-8 character will be returned if
+it is valid, otherwise 0.
  
        STRLEN  is_utf8_char(U8 *p)
 
@@ -1046,8 +1047,10 @@ Found in file utf8.c
 
 =item is_utf8_string
 
-Returns true if first C<len> bytes of the given string form valid a UTF8
-string, false otherwise.
+Returns true if first C<len> bytes of the given string form a valid UTF8
+string, false otherwise.  Note that 'a valid UTF8 string' does not mean
+'a string that contains UTF8' because a valid ASCII string is a valid
+UTF8 string.
 
        bool    is_utf8_string(U8 *s, STRLEN len)
 
@@ -2365,19 +2368,19 @@ false, defined or undefined.  Does not handle 'get' magic.
 =for hackers
 Found in file sv.h
 
-=item svtype
+=item SvTYPE
 
-An enum of flags for Perl types.  These are found in the file B<sv.h> 
-in the C<svtype> enum.  Test these flags with the C<SvTYPE> macro.
+Returns the type of the SV.  See C<svtype>.
+
+       svtype  SvTYPE(SV* sv)
 
 =for hackers
 Found in file sv.h
 
-=item SvTYPE
-
-Returns the type of the SV.  See C<svtype>.
+=item svtype
 
-       svtype  SvTYPE(SV* sv)
+An enum of flags for Perl types.  These are found in the file B<sv.h> 
+in the C<svtype> enum.  Test these flags with the C<SvTYPE> macro.
 
 =for hackers
 Found in file sv.h
@@ -3008,6 +3011,19 @@ Note that C<sv_setref_pv> copies the pointer while this copies the string.
 =for hackers
 Found in file sv.c
 
+=item sv_setref_uv
+
+Copies an unsigned integer into a new SV, optionally blessing the SV.  The C<rv>
+argument will be upgraded to an RV.  That RV will be modified to point to
+the new SV.  The C<classname> argument indicates the package for the
+blessing.  Set C<classname> to C<Nullch> to avoid the blessing.  The new SV
+will be returned and will have a reference count of 1.
+
+       SV*     sv_setref_uv(SV* rv, const char* classname, UV uv)
+
+=for hackers
+Found in file sv.c
+
 =item sv_setsv
 
 Copies the contents of the source SV C<ssv> into the destination SV C<dsv>.