add comments to parameters.toml

parameters.toml

@@ -5,36 +5,38 @@ codename = 'Ellyne'
 copyright = 'Copyright (c) 2015 Belleve Invis.'
 licence = '''This font software is licenced under the SIL Open Font Licence, Version 1.1. This is licence is avaliable with a FAQ at: http://scripts.sil.org/OFL. This font software is distributes on an 'AS IS' basis, without warranties or conditions of any kind, either express or implied. See the SIL Open Font licence fot the specific language, premissions and limitations governing your use of this font software.'''
 
-leading = 1250
-linegap = 0
-width = 500 # Increase this if you think that Iosevka is too narrow
-cap = 735
-xheight = 530
-#descender = -205 # Unnecessary
-accent = 155
-accentx = 200
-overshoot = -8
-overshootx = -8
-fovershoot = -40
-oxhook = -5
+leading = 1250     # Leading
+linegap = 0        # Additional line gap
+width = 500        # Character width. Increase this if you think that Iosevka is too narrow
+cap = 735          # Cap height (as well as ascender)
+xheight = 530      # X-height
+#descender = -205  # Unnecessary
 
-superness = 2.2
+contrast = 1.11111 # Stroke width contrast
 
-longjut = 175
-jut = 85
-vjut = 145
+italicangle = 0    # Slant angle, in degrees
 
-italicangle = 0
-barpos = 0.52
-overlaypos = 0.52
-ebarpos = 0.45
+accent = 155       # Height of accent marks
+accentx = 200      # Wideness of accent marks
+overshoot = -8     # Vertical overshoot for arcs
+overshootx = -8    # Horizontal overshoot for arcs
+oxhook = -5        # Horizontal overshoot for hook tips
+fovershoot = -40   # Overshoot of the top end of italic `f`
+
+longjut = 175      # Length of long serifs, like that in `i`
+jut = 85           # Length of short serifs, used in Slab only
+vjut = 145         # Length of vertical serifs, used in Slab only
+
+superness = 2.2    # Superness of arcs
+
+barpos = 0.52      # Position of the middle bar in most letters, like `E`
+overlaypos = 0.52  # Position of the overlay mark
+ebarpos = 0.45     # Position of the middle bar in `e`
 gbarpos = 0.42
 pbarpos = 0.53
 fivebarpos = 0.63
 
-lllcrowdedness = 3.33333333
-
-hook = 155
+hook = 155         # Hook depth in most letters
 ahook = 130
 shook = 110
 jhook = 135
@@ -58,7 +60,7 @@ onebalance = 30
 isBold = false
 isItalic = false
 
-contrast = 1.11111
+lllcrowdedness = 3.33333333
 
 [iosevka.variantSelector]