Presentation attributes (fill, stroke) of <defs> not inherited by child elements of <mask>

Diff:

$ diff -u BloodCat.svg BloodCat-inkscape-compatible.svg
--- BloodCat.svg 2014-07-22 02:30:42.000000000 +0200
+++ BloodCat-inkscape-compatible.svg 2014-07-22 10:45:56.000000000 +0200
@@ -2,19 +2,19 @@
 <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="255" height="380" viewBox="0 0 255 380" stroke-width="8">
  <defs fill="#fff" stroke="#fff">
   <mask id="mTongue">
- <path d="M27 10c-30 130 116 130 86 0" stroke="#000"/>
+ <path d="M27 10c-30 130 116 130 86 0" stroke="#000" fill="#fff"/>
   </mask>
   <mask id="mBody">
- <polygon points="-210,0 -280,404 280,404 210,0"/>
+ <polygon points="-210,0 -280,404 280,404 210,0" fill="#fff"/>
   </mask>
   <mask id="mFoot">
- <polygon points="-200,0 -200,-300 200,-300 200,0"/>
+ <polygon points="-200,0 -200,-300 200,-300 200,0" fill="#fff"/>
   </mask>
   <mask id="mFootline">
- <ellipse cx="0" cy="-100" rx="95" ry="120"/>
+ <ellipse cx="0" cy="-100" rx="95" ry="120" fill="#fff"/>
   </mask>
  </defs>
- <g fill="#000" stroke="#000" transform="scale(.3), translate(424, 4)">
+ <g fill="#000" stroke="#000" transform="scale(.3) translate(424, 4)">
   <g id="ear" transform="translate(0, 263)">
    <path d="M-420 0c0-350 160-350 350 0" fill="#d50c0f"/>
    <path d="M-420 0c0-350 160-350 290 0"/>
@@ -54,10 +54,10 @@
    </g>
    <g id="beard" transform="translate(-412, 440)">
     <path id="beardD" d="M0 0q50-12 80-6"/>
- <use xlink:href="#beardD" transform="rotate(-10),translate(0, 41)"/>
- <use xlink:href="#beardD" transform="rotate(-20),translate(-10, 82)"/>
+ <use xlink:href="#beardD" transform="rotate(-10) translate(0, 41)"/>
+ <use xlink:href="#beardD" transform="rotate(-20) translate(-10, 82)"/>
    </g>
    <use xlink:href="#beard" transform="scale(-1,1)"/>
   </g>
  </g>
-</svg>
\ No newline at end of file
+</svg>

Reproduced with 0.48.5 and current trunk r13455 on OS X 10.7.5.

Needs review by SVG expert (mask color, separator in list of transforms).

Second issue (commas as separator in list of transforms) also reported in bug #1365058

Still same on 0.92.1 r15371