diff --git a/Markdown.pl b/Markdown.pl
index 43f8935..972d651 100755
--- a/Markdown.pl
+++ b/Markdown.pl
@@ -1141,6 +1141,7 @@ sub _RunSpanGamut {
     $text = _DoItalicsAndBoldAndStrike($text);
 
     # Do hard breaks:
+    $text =~ s/ {3,}\n/<br clear=\"all\"$opt{empty_element_suffix}\n/g;
     $text =~ s/ {2,}\n/<br$opt{empty_element_suffix}\n/g;
 
     return $text;
@@ -1487,22 +1488,31 @@ sub _MakeIMGTag {
     defined($title) or $title="";
     return "" unless $url ne "";
 
-    my $result = $g_escape_table{'<'}."img src=\"" . _EncodeAttText($url) . "\"";
-    my ($w, $h) = (0, 0);
+    my ($w, $h, $lf, $rt) = (0, 0, '', '');
     ($alt, $title) = (_strip($alt), _strip($title));
-    if ($title =~ /^(.*)\(([1-9][0-9]*)[xX\xd7]([1-9][0-9]*)\)$/os) {
-	($title, $w, $h) = (_strip($1), $2, $3);
-    } elsif ($title =~ /^(.*)\(\?[xX\xd7]([1-9][0-9]*)\)$/os) {
-	($title, $h) = (_strip($1), $2);
-    } elsif ($title =~ /^(.*)\(([1-9][0-9]*)[xX\xd7]\?\)$/os) {
-	($title, $w) = (_strip($1), $2);
+    if ($title =~ /^(.*)\((<?)([1-9][0-9]*)[xX\xd7]([1-9][0-9]*)(>?)\)$/os) {
+	($title, $w, $h, $lf, $rt) = (_strip($1), $3, $4, $2, $5);
+    } elsif ($title =~ /^(.*)\((<?)\?[xX\xd7]([1-9][0-9]*)(>?)\)$/os) {
+	($title, $h, $lf, $rt) = (_strip($1), $3, $2, $4);
+    } elsif ($title =~ /^(.*)\((<?)([1-9][0-9]*)[xX\xd7]\?(>?)\)$/os) {
+	($title, $w, $lf, $rt) = (_strip($1), $3, $2, $4);
+    } elsif ($title =~ /^(.*)\((?!\))(<?)(>?)\)$/os) {
+	($title, $lf, $rt) = (_strip($1), $2, $3);
     }
+    my $result = '';
+    $result .= $g_escape_table{'<'}."center".$g_escape_table{'>'}
+	if $lf && $rt;
+    $result .= $g_escape_table{'<'}."img src=\"" . _EncodeAttText($url) . "\"";
+    $result .= " align=\"left\"" if $lf && !$rt;
+    $result .= " align=\"right\"" if $rt && !$lf;
     $result .= " alt=\"" . _EncodeAttText($alt) . "\"" if $alt ne "";
     $result .= " width=\"$w\"" if $w != 0;
     $result .= " height=\"$h\"" if $h != 0;
     $result .= " title=\"" . _EncodeAttText($title) . "\"" if $title ne "";
     $result .= " /" unless $opt{empty_element_suffix} eq ">";
     $result .= $g_escape_table{'>'};
+    $result .= $g_escape_table{'<'}."/center".$g_escape_table{'>'}
+	if $lf && $rt;
     return $result;
 }
 
diff --git a/syntax.md b/syntax.md
index 434e9f1..ae45e9c 100644
--- a/syntax.md
+++ b/syntax.md
@@ -209,6 +209,9 @@ character in a paragraph into a `<br />` tag.
 When you *do* want to insert a `<br />` break tag using Markdown, you
 end a line with two or more spaces, then type return.
 
+If you end a line with three or more spaces then a `<br clear="all" />`
+tag will be generated instead of the plain `<br />` tag.
+
 Yes, this takes a tad more effort to create a `<br />`, but a simplistic
 "every line break is a `<br />`" rule wouldn't work for Markdown.
 Markdown's email-style [blockquoting][bq] and multi-paragraph [list items][l]
@@ -1220,6 +1223,28 @@ The first dimension sets the "width" attribute and the second
 dimension sets the "height" attribute.  The dimensions are then
 removed from the "title" attribute.
 
+To float an image to the left or right include a "(<)" for left or
+"(>)" for right at the end of the title like so:
+
+      [id]: url/to/image  "Optional title attribute (<)"
+      [id]: url/to/image  "Optional title attribute (>)"
+
+These can be combined with the image dimensions like so:
+
+      [id]: url/to/image  "Optional title attribute (<512x342)"
+      [id]: url/to/image  "Optional title attribute (<?x342)"
+      [id]: url/to/image  "Optional title attribute (<512x?)"
+      [id]: url/to/image  "Optional title attribute (512x342>)"
+      [id]: url/to/image  "Optional title attribute (?x342>)"
+      [id]: url/to/image  "Optional title attribute (512x?>)"
+
+Providing both the "float left" (<) and "float right" (>) annotations
+at the same time will cause the image to end up centered in its
+own "div" like so:
+
+      [id]: url/to/image  "Optional title attribute (<>)"
+      [id]: url/to/image  "Optional title attribute (<512x342>)"
+
 It's possible to wrap the url when it's specified in a reference.
 Both of these examples: