A kobo curiosity: 10px font size with epub and automatically get two columns.
libnickel.so.1.0.0.patch:
Spoiler:
Code:
# libnickel.so.1.0.0 in firmware 3.15.0 (d60578c5e1)
<Patch>
patch_name = `Custom font sizes`
patch_enable = `yes`
#
# Start with this font size: (GloHD, Others)
replace_int = 8C6C9E, 14, 14
replace_int = 8C6CA2, 12, 10
#
# Add font sizes in increments of 1 until this size exceeded:
replace_int = 8C6CD2, 21, 47
#
# Continue from this font size:
replace_int = 8C6CD8, 22, 48
#
# Add font sizes in increments of 2 until this size exceeded:
replace_int = 8C6D66, 49, 59
replace_int = 8C6D82, 49, 59
#
# Continue from this font size:
replace_int = 8C6D88, 50, 60
#
# Add font sizes in increments of 4 until this size exceeded:
# (GloHD/AuraHD/H2O, Glo/Aura, Touch/Mini)
replace_int = 8C6CB0, 150, 88
replace_int = 8C6DF8, 122, 80
replace_int = 8C6DFC, 90, 80
</Patch>