Fix typos in default units

pint/default_en.txt

@@ -19,7 +19,7 @@ micro- = 1e-6 = µ- = u-
 milli- = 1e-3 = m-
 centi- = 1e-2 = c-
 deci- = 1e-1 = d-
-deca- = 1e+1 = da- = deka
+deca- = 1e+1 = da- = deka-
 hecto- = 1e2 = h-
 kilo- = 1e3 = k-
 mega- = 1e6 = M-
@@ -343,8 +343,6 @@ stere = meter ** 3
  cubic_inch = 1 in ** 3 = cu_in
  cubic_foot = 1 ft ** 3 = cu_ft = cubic_feet
  cubic_yard = 1 yd ** 3 = cu_yd
-
- acre_foot = acre * foot = acre_feet
 @end
 
 @group USCSLengthSurvey
@@ -361,6 +359,8 @@ stere = meter ** 3
  us_statute_mile = 5280 survey_foot
  league = 3 us_statute_mile
  furlong = us_statute_mile / 8
+
+ acre_foot = acre * survey_foot = acre_feet
 @end
 
 @group USCSDryVolume
@@ -369,7 +369,7 @@ stere = meter ** 3
  dry_gallon = 8 dry_pint = dgal = US_dry_gallon
  peck = 16 dry_pint = pk
  bushel = 64 dry_pint = bu
- dry_barrel = 7065 cubic_inch = US_dry_barrel
+ dry_barrel = 7056 cubic_inch = US_dry_barrel
 @end
 
 @group USCSLiquidVolume
@@ -401,8 +401,8 @@ stere = meter ** 3
  ounce = pound / 16 = oz = avoirdupois_ounce = avdp_ounce
  pound = 453.59237 gram = lb = avoirdupois_pound = avdp_pound
 
- short_hunderdweight = 100 avoirdupois_pound = ch_cwt
- long_hunderweight = 112 avoirdupois_pound = lg_cwt
+ short_hundredweight = 100 avoirdupois_pound = ch_cwt
+ long_hundredweight = 112 avoirdupois_pound = lg_cwt
  short_ton = 2000 avoirdupois_pound
  long_ton = 2240 avoirdupois_pound
  force_short_ton = short_ton * g_0 = short_ton_force
@@ -425,13 +425,13 @@ stere = meter ** 3
 @group AvoirdupoisUK using Avoirdupois
  stone = 14 pound
  quarter = 28 stone
- UK_hundredweight = long_hunderweight = UK_cwt
+ UK_hundredweight = long_hundredweight = UK_cwt
  UK_ton = long_ton
  UK_ton_force = force_long_ton
 @end
 
 @group AvoirdupoisUS using Avoirdupois
- US_hundredweight = short_hunderdweight = US_cwt
+ US_hundredweight = short_hundredweight = US_cwt
  US_ton = short_ton = ton
  US_ton_force = force_short_ton = ton_force = force_ton
 @end