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-rw-r--r--Master/tlpkg/tlperl/lib/pods/perltrap.pod13
1 files changed, 7 insertions, 6 deletions
diff --git a/Master/tlpkg/tlperl/lib/pods/perltrap.pod b/Master/tlpkg/tlperl/lib/pods/perltrap.pod
index b5f09351669..99e25c8d490 100644
--- a/Master/tlpkg/tlperl/lib/pods/perltrap.pod
+++ b/Master/tlpkg/tlperl/lib/pods/perltrap.pod
@@ -497,7 +497,7 @@ of a variable, or as a delimiter for any kind of quote construct.
Double darn.
$a = ("foo bar");
- $b = q baz;
+ $b = q baz ;
print "a is $a, b is $b\n";
# perl4 prints: a is foo bar, b is baz
@@ -665,7 +665,7 @@ are to used around the name.
# perl4 prints: 2
# perl5 fails with syntax error
- @ = (1..3);
+ @a = (1..3);
print "$#{a}";
# perl4 prints: {a}
@@ -704,7 +704,7 @@ tries to be more precise. For example, on a Solaris Sparc:
# Perl5 prints:
7.373504
- 7.375039999999999614
+ 7.373503999999999614
Notice how the first result looks better in Perl 5.
@@ -960,14 +960,15 @@ being required.
=item * Comma operator in scalar context gives scalar context to args
The comma operator in a scalar context is now guaranteed to give a
-scalar context to its arguments.
+scalar context to its last argument. It gives scalar or void context
+to any preceding arguments, depending on circumstances.
@y= ('a','b','c');
$x = (1, 2, @y);
print "x = $x\n";
- # Perl4 prints: x = c # Thinks list context interpolates list
- # Perl5 prints: x = 3 # Knows scalar uses length of list
+ # Perl4 prints: x = c # Interpolates array @y into the list
+ # Perl5 prints: x = 3 # Evaluates array @y in scalar context
=item * C<sprintf()> prototyped as C<($;@)>