5.2.1 
"windows" 
>requested:  [null] TypeWriter 
QFontDatabase::match
  request:
    family: MS Shell Dlg 2 [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 11
    pitch: *
  REMARK: looking for best foundry for family 'MS Shell Dlg 2' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (11 pixels)
          found a match: score 0 best score so far ffffffff
<obtained :  "MS Shell Dlg 2" variable 
>requested:  "" TypeWriter 
QFontDatabase::match
  request:
    family: -- first in script -- [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  REMARK: looking for best foundry for family 'Aharoni' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x19
          found smoothly scalable font (16 pixels)
          found a match: score 2000 best score so far ffffffff
  REMARK: looking for best foundry for family 'Aldhabi' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far 2000
<obtained :  "Aldhabi" variable 
>requested:  [null] Monospace 
QFontDatabase::match
  request:
    family: MS Shell Dlg 2 [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 11
    pitch: *
  REMARK: looking for best foundry for family 'MS Shell Dlg 2' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (11 pixels)
          found a match: score 0 best score so far ffffffff
<obtained :  "MS Shell Dlg 2" variable 
>requested:  "" Monospace 
QFontDatabase::match
  request:
    family: -- first in script -- [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  REMARK: looking for best foundry for family 'Aharoni' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x19
          found smoothly scalable font (16 pixels)
          found a match: score 2000 best score so far ffffffff
  REMARK: looking for best foundry for family 'Aldhabi' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far 2000
<obtained :  "Aldhabi" variable 
>requested:  [null] fixedPitch 
QFontDatabase::match
  request:
    family: MS Shell Dlg 2 [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 11
    pitch: m
  REMARK: looking for best foundry for family 'MS Shell Dlg 2' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (11 pixels)
          found a match: score 4000 best score so far ffffffff
<obtained :  "MS Shell Dlg 2" variable 
>requested:  "" fixedPitch 
QFontDatabase::match
  request:
    family: -- first in script -- [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: m
  REMARK: looking for best foundry for family 'Aharoni' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x19
          found smoothly scalable font (16 pixels)
          found a match: score 6000 best score so far ffffffff
  REMARK: looking for best foundry for family 'Aldhabi' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 4000 best score so far 6000
  REMARK: looking for best foundry for family 'Andalus' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Andalus' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Angsana New' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Angsana New' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'AngsanaUPC' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'AngsanaUPC' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Aparajita' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Aparajita' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Arabic Typesetting' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Arabic Typesetting' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Arial' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Arial' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Arial Black' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x25
          found smoothly scalable font (16 pixels)
          score 6000 no better than best 4000
  REMARK: looking for best foundry for family 'Arial Black' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x25
          found smoothly scalable font (16 pixels)
          score 6000 no better than best 4000
  REMARK: looking for best foundry for family 'Batang' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'Batang' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          score 4000 no better than best 4000
  REMARK: looking for best foundry for family 'BatangChe' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far 4000
<obtained :  "BatangChe" fixedPitch 
>requested:  "Courier New" 
QFontDatabase::match
  request:
    family: Courier New [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  REMARK: looking for best foundry for family 'Courier New' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far ffffffff
<obtained :  "Courier New" fixedPitch 
>requested:  [null] Serif 
QFontDatabase::match
  request:
    family: MS Shell Dlg 2 [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 11
    pitch: *
  REMARK: looking for best foundry for family 'MS Shell Dlg 2' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (11 pixels)
          found a match: score 0 best score so far ffffffff
<obtained :  "MS Shell Dlg 2" variable 
>requested:  "" Serif 
QFontDatabase::match
  request:
    family: -- first in script -- [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  REMARK: looking for best foundry for family 'Aharoni' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x19
          found smoothly scalable font (16 pixels)
          found a match: score 2000 best score so far ffffffff
  REMARK: looking for best foundry for family 'Aldhabi' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far 2000
<obtained :  "Aldhabi" variable 
>requested:  [null] SansSerif 
QFontDatabase::match
  request:
    family: MS Shell Dlg 2 [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 11
    pitch: *
  REMARK: looking for best foundry for family 'MS Shell Dlg 2' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (11 pixels)
          found a match: score 0 best score so far ffffffff
<obtained :  "MS Shell Dlg 2" variable 
>requested:  "" SansSerif 
QFontDatabase::match
  request:
    family: -- first in script -- [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  REMARK: looking for best foundry for family 'Aharoni' [1]
          looking for matching style in foundry '-- none --' 2
          best style has distance 0x19
          found smoothly scalable font (16 pixels)
          found a match: score 2000 best score so far ffffffff
  REMARK: looking for best foundry for family 'Aldhabi' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far 2000
<obtained :  "Aldhabi" variable 
>requested:  "Helvetica" 
QFontDatabase::match
  request:
    family: Helvetica [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  NO MATCH FOUND

QFontDatabase::match
  request:
    family: Arial [-- any --], script: 2
    weight: 50, style: 0
    stretch: 100
    pixelSize: 16
    pitch: *
  REMARK: looking for best foundry for family 'Arial' [1]
          looking for matching style in foundry '-- none --' 4
          best style has distance 0x0
          found smoothly scalable font (16 pixels)
          found a match: score 0 best score so far ffffffff
returning box engine
<obtained :  "Arial" variable