From 19342fb93f3dd02905155871423fdc746d91523a Mon Sep 17 00:00:00 2001
From: Guillaume Ayoub <guillaume.ayoub@kozea.fr>
Date: Tue, 20 Feb 2018 02:11:45 +0100
Subject: [PATCH] Don't translate rtl columns twice

Fix #574.
---
 weasyprint/formatting_structure/boxes.py | 1 +
 weasyprint/layout/blocks.py              | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/weasyprint/formatting_structure/boxes.py b/weasyprint/formatting_structure/boxes.py
index 8af75ec1..6f095aec 100644
--- a/weasyprint/formatting_structure/boxes.py
+++ b/weasyprint/formatting_structure/boxes.py
@@ -83,6 +83,7 @@ class Box(object):
     # Default, may be overriden on instances.
     is_table_wrapper = False
     is_for_root_element = False
+    is_column = False
     transformation_matrix = None
     bookmark_label = None
     string_set = None
diff --git a/weasyprint/layout/blocks.py b/weasyprint/layout/blocks.py
index 3830ec12..f839bbb2 100644
--- a/weasyprint/layout/blocks.py
+++ b/weasyprint/layout/blocks.py
@@ -173,6 +173,7 @@ def columns_layout(context, box, max_position_y, skip_stack, containing_block,
         column_box = box.anonymous_from(box, children=[
             child.copy() for child in box.children])
         resolve_percentages(column_box, containing_block)
+        column_box.is_column = True
         column_box.width = width
         column_box.position_x = box.content_box_x()
         column_box.position_y = box.content_box_y()
@@ -347,7 +348,7 @@ def block_level_width(box, containing_block):
                 margin_r = box.margin_right = 0
     if width != 'auto' and margin_l != 'auto' and margin_r != 'auto':
         # The equation is over-constrained.
-        if containing_block.style.direction == 'rtl':
+        if containing_block.style['direction'] == 'rtl' and not box.is_column:
             box.position_x += (
                 cb_width - paddings_plus_borders - width - margin_r - margin_l)
         # Do nothing in ltr.