links in emails now only in bold, no longer in blue

[jidanni@xxxxxxxxxxx]

Why do links in emails no longer show up in blue color, but instead in
just bold characters?
emacs-w3m-version "1.4.400". emacs-snapshot:  Installed: 1:20100916-1
C-u C-x C-e gives:

        character: 想 (24819, #o60363, #x60f3)
preferred charset: chinese-big5-1 (Frequently used part (A141-C67E) of Big5 (Chinese traditional))
       code point: 0x4578
           syntax: w 	which means: word
         category: .:Base, C:2-byte han, c:Chinese, h:Korean, j:Japanese, |:line breakable
      buffer code: #xE6 #x83 #xB3
        file code: #xE6 #x83 #xB3 (encoded by coding system raw-text-unix)
          display: by this font (glyph code)
    x:-eten-fixed-medium-r-normal--16-150-75-75-c-160-big5.eten-0 (#xB751)

Character code properties: customize what to show
  name: CJK IDEOGRAPH-60F3
  general-category: Lo (Letter, Other)

This is an active area of a link (widget)Top.


There are 3 overlays here:
 From 3886 to 3905
  face                 gnus-button
 From 3886 to 3905
  button               link (widget)Top
  evaporate            t
  face                 widget-button
  follow-link          mouse-face
  help-echo            "http://tw.news.yahoo.com/article/url/d/a/100912/78/2cvpm.html";
  keymap               [Show]
  mouse-face           (highlight)
  pointer              hand
 From 3886 to 3905
  evaporate            t
  gnus-button-url      "http://tw.news.yahoo.com/article/url/d/a/100912/78/2cvpm.html";
  mouse-face           highlight


There are text properties here:
  gnus-callback        browse-url
  gnus-data            "http://tw.news.yahoo.com/article/url/d/a/100912/78/2cvpm.html";
  gnus-string          "http://tw.news.yahoo.com/article/url/d/a/100912/78/2cvpm.html";
  mouse-face           highlight