bisect-runner.pl: Correct pod misspelling

[perl5.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index 51c0935..4c01ca9 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -329,6 +329,10 @@ range and precision of your double precision floating point numbers
 (that is, Perl's numbers).  Use Configure -Duselongdouble to enable
 this support (if it is available).
 
+Note that the exact format and range of long doubles varies:
+the most common is the x86 80-bit (64 bits of mantissa) format,
+but there are others, with different mantissa and exponent ranges.
+
 =head3 "more bits"
 
 You can "Configure -Dusemorebits" to turn on both the 64-bit support
@@ -2505,9 +2509,9 @@ seriously consider using a separate directory, since development
 subversions may not have all the compatibility wrinkles ironed out
 yet.
 
-=head2 Upgrading from 5.21.1 or earlier
+=head2 Upgrading from 5.21.3 or earlier
 
-B<Perl 5.21.4 may not be binary compatible with Perl 5.21.1 or
+B<Perl 5.21.4 may not be binary compatible with Perl 5.21.3 or
 earlier Perl releases.>  Perl modules having binary parts
 (meaning that a C compiler is used) will have to be recompiled to be
 used with 5.21.4.  If you find you do need to rebuild an extension with