From b58cd915f6e6e3d4c1bb7f31f535649a2bee542d Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 2 Aug 2014 09:48:58 +0530
Subject: [PATCH] Live CSS: Show the Matched CSS header even if no rules match

---
 resources/compiled_coffeescript.zip          | Bin 92263 -> 92279 bytes
 src/calibre/ebooks/oeb/polish/preview.coffee |   3 ++-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/resources/compiled_coffeescript.zip b/resources/compiled_coffeescript.zip
index ee9b0e250bab94745d11c84357ae7b312d32aa06..a623cbdb012b8dfc0eb55192b1565525f26f3481 100644
GIT binary patch
delta 152
zcmaEUf%W?Z)`l&NS5*ZC{Fq#YSRDdOY#10oSY~>>2&3rq2kDGl+ga5Z^{oUHYHAb|
zGmGOB^O94GOY)1hn<OwkWZ^~8I9(}~(UH9}iIL$SQ}y(PX^bM<>rxpDm^2boO_D6r
sED}?b%o2?)4J=a)Qw%MPEldnkQY?*3Oj1n^jg8EW42`CXWiSQ;0B#v8Hvj+t

delta 140
zcmex<f%W+X)`l&NS5*ZAig&u~*>?1MiVXt;2+K^57hx2g{vn-_YdfnNqrTPj*PM(z
z+XE69ud?u>D4uSV%IL_RnZ(HOkEwe4#xzEe?R}|?1xy;IMk$G=#zv{;W@bsoriPY=
gMkXmKrj|*DmKGL9=0=Hz7RHtaDMp6V)iM|Z0oMO5U;qFB

diff --git a/src/calibre/ebooks/oeb/polish/preview.coffee b/src/calibre/ebooks/oeb/polish/preview.coffee
index 3d41ddb6d3..21119c419d 100644
--- a/src/calibre/ebooks/oeb/polish/preview.coffee
+++ b/src/calibre/ebooks/oeb/polish/preview.coffee
@@ -344,7 +344,8 @@ class PreviewIntegration
         is_ancestor = false
         while target and target.ownerDocument
             css = get_matched_css(target, is_ancestor, all_properties)
-            if css.length > 0
+            # We want to show the Matched CSS rules header even if no rules matched
+            if css.length > 0 or not is_ancestor
                 ans['nodes'].push({'name':target.tagName?.toLowerCase(), 'css':css, 'is_ancestor':is_ancestor, 'sourceline':target.getAttribute('data-lnum')})
             target = target.parentNode
             is_ancestor = true