Bug hunting.

Author: tabatkins

.htaccess

@@ -73,3 +73,37 @@ RewriteRule ^css4-text/(.*)$ css-text-4/$1 [R=301,L]
 #RewriteRule ^css3-tables-algorithms/(.*)$ css-tables-algorithm/$1 [R=301,L]
 #RewriteRule ^css3-tables/(.*)$ css-table/$1 [R=301,L]
 
+
+# Unversioned URLs
+# ================
+# Treat the unversioned url as master,
+# and the numbered urls as tagged branches.
+# Except for exceptional circumstances, 
+# always work in unversioned folders.
+# `hg copy` the folder into a versioned name when you publish CR, 
+# and update the rule below to n+1,
+# so you can start work on the next level in an unversioned folder.
+#
+# No need to add a url here *until* you hit CR and start a new level.
+# If you start a new level before CR,
+# `hg copy` into an n+1 versioned folder,
+# then unversion it with `hg rename` when level n hits CR.
+
+RewriteRule ^css-align-3/(.*)$ css-align/$1
+RewriteRule ^css-animations-1/(.*)$ css-animations/$1
+RewriteRule ^css-backgrounds-3/(.*)$ css-backgrounds/$1
+RewriteRule ^css-box-3/(.*)$ css-box/$1
+RewriteRule ^css-break-3/(.*)$ css-break/$1
+RewriteRule ^css-cascade-3/(.*)$ css-cascade/$1
+RewriteRule ^css-color-4/(.*)$ css-color/$1
+RewriteRule ^css-conditional-3/(.*)$ css-conditional/$1
+RewriteRule ^css-content-3/(.*)$ css-content/$1
+RewriteRule ^css-counter-styles-3/(.*)$ css-counter-styles/$1
+RewriteRule ^css-device-adapt-1/(.*)$ css-device-adapt/$1
+RewriteRule ^css-display-3/(.*)$ css-display/$1
+RewriteRule ^css-exclusions-3/(.*)$ css-exclusions/$1
+RewriteRule ^css-flexbox-1/(.*)$ css-flexbox/$1
+RewriteRule ^css-font-load-events-3/(.*)$ css-font-load-events/$1
+RewriteRule ^css-fonts-3/(.*)$ css-fonts/$1
+RewriteRule ^css-gcpm-3/(.*)$ css-gcpm/$1
+RewriteRule ^css-grid-1/(.*)$ css-grid/$1