alpha version 15

Revert "fixup"

This reverts commit 314a5bd8829ec820782ef48f9a9fec03c21345bc.

alpha version 14

0.14.0

add readablecontentguide

alpha version 13

0.13.0

fix

alpha version 11

0.12.0

fix

alpha version 11

0.11.0

fix

alpha version 10

0.10.0

fixup

alpha version 9

0.9.0

fixup

alpha version 8

0.8.0

change tiling area

alpha version 6

0.7.0

mixup

alpha version 6

bug fix