X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperldebug.pod;h=bccdcf4f5164772e6b056c701b5bdf2f4443a710;hb=40b568c93a31cb8feae8a14551365dff7e76b624;hp=c8ef60fa45ff493cc6648e902910f84a6b493a67;hpb=ee8c7f5465f003860e2347a2946abacac39bd9b9;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/pod/perldebug.pod b/pod/perldebug.pod
index c8ef60f..bccdcf4 100644
--- a/pod/perldebug.pod
+++ b/pod/perldebug.pod
@@ -767,6 +767,11 @@ Breakable lines are marked with C<:>.  Lines with breakpoints are
 marked by C<b> and those with actions by C<a>.  The line that's
 about to be executed is marked by C<< ==> >>.
 
+Please be aware that code in debugger listings may not look the same
+as your original source code.  Line directives and external source
+filters can alter the code before Perl sees it, causing code to move
+from its original positions or take on entirely different forms.
+
 =item Frame listing
 
 When the C<frame> option is set, the debugger would print entered (and