minor code cleanups and clarifications

diff --git a/PLP/Functions.pm b/PLP/Functions.pm
index b4891ee56453ae832b532f92aef31f5969cf6ae9..fe1f39c145d22bf5034f9135f51d7acd1caccaaa 100644 (file)
--- a/PLP/Functions.pm
+++ b/PLP/Functions.pm
@@ -4,8 +4,8 @@ use base 'Exporter';
 use Fcntl qw(:flock);
 use strict;
 
-our @EXPORT = qw/Entity DecodeURI EncodeURI include PLP_END
-                 AddCookie ReadFile WriteFile AutoURL Counter Include exit/;
+our @EXPORT = qw/Entity DecodeURI EncodeURI Include include PLP_END
+                 AddCookie ReadFile WriteFile AutoURL Counter exit/;
 
 sub Include ($) {
        no strict;
@@ -37,7 +37,7 @@ sub Entity (@) {
        for (@$ref) {
                eval {
                        s/&/&/g;
-                       s/\"/"/g;
+                       s/"/"/g;
                        s/</&lt;/g;
                        s/>/&gt;/g;
                        s/\n/<br>\n/g;
@@ -144,7 +144,7 @@ sub AutoURL ($) {
                $$ref =~ s/>\cC>/&gt;/g;
                $$ref =~ s/<\cC</&lt;/g;
        };
-       if ($@){ return defined wantarray ? @_ : undef }
+       if ($@){ return defined wantarray ? @_ : undef }  # return original on error
        return defined wantarray ? $$ref : undef;
 }
 
@@ -206,7 +206,7 @@ You should use this function instead of Perl's built-in C<END> blocks, because t
 
 =item Entity LIST
 
-Replaces HTML syntax characters by HTML entities, so they can be displayed literally. You should always use this on user input (or database output), to avoid cross-site-scripting vurnerabilities. This function does not do everything the L<HTML::Entity> does.
+Replaces HTML syntax characters by HTML entities, so they can be displayed literally. You should always use this when displaying user input (or database output), to avoid cross-site-scripting vurnerabilities.
 
 In void context, B<changes> the values of the given variables. In other contexts, returns the changed versions.