Strange browscap.ini

[IanWPG]

**\Valheim\MonoBleedingEdge\etc\mono\browscap.ini

Can someone explain what this is and what it is used for? Seems to have all the search engines known to man in it with alot of bot words and crawler words.
Quote a small small portion of whats in the file.

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////;;; Provided courtesy of http://browsers.garykeith.com
;;; Created on Wednesday, June 17, 2009 at 6:30 AM GMT

[GJK_Browscap_Version]
Version=4476
Released=Wed, 17 Jun 2009 06:30:21 -0000

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DefaultProperties

[DefaultProperties]
Browser=DefaultProperties
Version=0
MajorVer=0
MinorVer=0
Platform=unknown
Alpha=false
Beta=false
Win16=false
Win32=false
Win64=false
Frames=false
IFrames=false
Tables=false
Cookies=false
BackgroundSounds=false
CDF=false
VBScript=false
JavaApplets=false
JavaScript=false
ActiveXControls=false
isBanned=false
isMobileDevice=false
isSyndicationReader=false
Crawler=false
CssVersion=0
supportsCSS=false
AOL=false
aolVersion=0
ECMAScriptVersion=0.0
W3CDOMVersion=0.0

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Ask

[Ask]
Parent=DefaultProperties
Browser=Ask
Frames=true
Tables=true
Crawler=true

[Mozilla/?.0 (compatible; Ask Jeeves/Teoma*)]
Parent=Ask
Browser=Teoma

[Mozilla/2.0 (compatible; Ask Jeeves)]
Parent=Ask
Browser=AskJeeves

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Baidu

[Baidu]
Parent=DefaultProperties
Browser=Baidu
Frames=true
Tables=true
Crawler=true

[BaiduImageSpider*]
Parent=Baidu
Browser=BaiduImageSpider

[Baiduspider*]
Parent=Baidu
Browser=BaiDu

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Google

[Google]
Parent=DefaultProperties
Browser=Google
Frames=true
IFrames=true
Tables=true
JavaScript=true
Crawler=true

• 
  Parent=Google
  Browser=Googlebot-Mobile
  Frames=false
  IFrames=false
  Tables=false
  
  [*Google Wireless Transcoder*]
  Parent=Google
  Browser=Google Wireless Transcoder
  
  [AdsBot-Google (?http://www.google.com/adsbot.html)]
  Parent=Google
  Browser=AdsBot-Google
  
  [Feedfetcher-Google-iGoogleGadgets;*]
  Parent=Google
  Browser=iGoogleGadgets
  isBanned=true
  isSyndicationReader=true
  
  [Feedfetcher-Google;*]
  Parent=Google
  Browser=Feedfetcher-Google
  isBanned=true
  isSyndicationReader=true
  
  [Google OpenSocial agent (http://www.google.com/feedfetcher.html)]
  Parent=Google
  Browser=Google OpenSocial
  
  [Google-Site-Verification/1.0]
  Parent=Google
  Browser=Google-Site-Verification
  
  [Google-Sitemaps/*]
  Parent=Google
  Browser=Google-Sitemaps
  
  [Googlebot-Image/*]
  Parent=Google
  Browser=Googlebot-Image
  CDF=true
  
  [googlebot-urlconsole]
  Parent=Google
  Browser=googlebot-urlconsole
  
  [Googlebot-Video/1.0]
  Parent=Google
  Browser=Google-Video
  
  [Googlebot/2.1 (?http://www.google.com/bot.html)]
  Parent=Google
  Browser=Googlebot
  
  [Googlebot/2.1 (?http://www.googlebot.com/bot.html)]
  Parent=Google
  Browser=Googlebot
  
  [Googlebot/Test*]
  Parent=Google
  Browser=Googlebot/Test
  
  [gsa-crawler*]
  Parent=Google
  Browser=Google Search Appliance
  isBanned=true
  
  [Mediapartners-Google*]
  Parent=Google
  Browser=Mediapartners-Google
  
  [Mozilla/4.0 (compatible; Google Desktop)]
  Parent=Google
  Browser=Google Desktop
  
  [Mozilla/4.0 (compatible; GoogleToolbar*)]
  Parent=Google
  Browser=Google Toolbar
  isBanned=true
  
  [Mozilla/5.0 (compatible; Google Keyword Tool;*)]
  Parent=Google
  Browser=Google Keyword Tool
  
  [Mozilla/5.0 (compatible; Googlebot/2.1; ?http://www.google.com/bot.html)]
  Parent=Google
  Browser=Google Webmaster Tools
  
  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Inktomi
  ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////