From: abela@geneanet.org <abela@geneanet.org>
Date: Tue, 6 Mar 2001 09:40:36 +0000 (+0100)
Subject: Clarify the description differentiating for and while; inspired by
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=b78df5de4cbb361d400476487114def2ea80ea60;p=p5sagit%2Fp5-mst-13.2.git

Clarify the description differentiating for and while; inspired by

Subject: [ID 20010306.002] for/while difference in for definition
Message-Id: <20010306084036.7BFD0D17F@little-roots.geneanet.org>

p4raw-id: //depot/perl@9070
---

diff --git a/pod/perlsyn.pod b/pod/perlsyn.pod
index e6b420e..aad4efd 100644
--- a/pod/perlsyn.pod
+++ b/pod/perlsyn.pod
@@ -263,7 +263,7 @@ available.   Replace any occurrence of C<if BLOCK> by C<if (do BLOCK)>.
 
 =head2 For Loops
 
-Perl's C-style C<for> loop works exactly like the corresponding C<while> loop;
+Perl's C-style C<for> loop works like the corresponding C<while> loop;
 that means that this:
 
     for ($i = 1; $i < 10; $i++) {
@@ -279,8 +279,10 @@ is the same as this:
 	$i++;
     }
 
-(There is one minor difference: The first form implies a lexical scope
-for variables declared with C<my> in the initialization expression.)
+There is one minor difference: if variables are declared with C<my>
+in the initialization section of the C<for>, the lexical scope of
+those variables is exactly the C<for> loop (the body of the loop
+and the control sections).
 
 Besides the normal array index looping, C<for> can lend itself
 to many other interesting applications.  Here's one that avoids the