Suggestion of new display standards for tablets

16:9, 16:10 ratio display has been widely used to show videos near so-called 'golden ratio' invented by Ancient Greeks.
However, considering that a tablet is more used to see books and such things compared to phones, standard paper size is more considerable, which is invented by Germans.
If we express this ratio sqrt(2):1 into 16:x form, the ratio is 16:11. So here we may define new ratio 16:11. We may now have old 16:12, new 16:11, obsolete 16:10, and HD 16:9 now.
Now, I think that a tablet should be at least bigger than iPad, and natively support HD video. Thus, one dimension should be 1920 pixels.
Best dimensions met this criteria are: 10.990 inch display with 212 dpi. 1920x1320 pixels. 230.04 mm x 158.15 mm.
Bezels will be less than 11 mm considering iPad mini and new iPad.

Albertus Liberius. All rights reserved. Contact with Google talks.

CBZ File Extension Standard Format Proposal 1207

Terminology

• "can" means permission of additional features
• "should" means mandatory features/ mandatory element in template
• "may" means mandatory features for programmer, but optional element in template.

File Type

• The infrastructural template of a CBZ file is a "Deflated" zip file in which names of all the files are in UFT-8.
• Program developer can add another decompression protocols but should include the protocol above.
• If there is any conflict such as encoding problem, the protocol should be primary.

Archive Structure

• The archive should include "index.xml" which follows XML 1.0 and is encoded by UTF-8.
• The other elements may be JPG, PNG files.
• Any other files can be ignored.

Index Header

• In the XML, tag for "title" of the book should exist.
• XML tags for "subtitle", "author", "tags", "isbn", "publisher", "publish-date", "addition" may exist.
• "series-title" and "volume" should exist if "title" does not exist. In this case, "publish-date" means the date each volume is published.
• The content of "publish-date" should be in "YYYY-MM-DD" format.
• "isbn" can be character string for variations and duplications.
• "addition" means 'additional information', and both "addition" and "author" may include <a> tag for hyperlink.

Index Body

• The body should be embedded in the tag "pages". The whole body can be omitted, and then the default properties are loaded.
• The tag "pages" has an attribute "direction" value of which is allowed for "rtl", "ltr", "btt", "ttb". All allowed direction should be noted. The default value should be "ltr, btt".
• All the image file should be in a stack in which indexed images comes front. If any file is not indexed, the order should be in order of the filenames.
• Tag "page" has attribute "filename" and "number". The tag may be ordered by the "number" and no duplicate "number" exists. The "number" is allowed for any integer. The nonpositive numbers may be used for frontmatters.

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