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confusion in ePubCheck 4.2.4 with ERROR(HTM-046) when checking viewport in fxl vs rfl epub #1214
Description
Test case :
- the viewport (height or width) without proper value, such as
height=705, width=
ePubCheck 4.2.4 :
- output
ERROR(HTM-046)in fixed layout epub - but
all passin reflowable epub with itemref properties="rendition:layout-pre-paginated".
Sample 1 :
fxl_without_viewport_width.epub.zip
content.opf
<meta property="rendition:layout">pre-paginated</meta>
<meta property="rendition:spread">landscape</meta>
<meta property="rendition:orientation">auto</meta>
Cover.xhtml
<meta name="viewport" content="height=705, width="/>
epubcheck-4.2.4 :
ERROR(HTM-046): Fixed format item has no viewport defined.
Sample 2 :
rfl_without_viewport_width.epub.zip
content.opf
<itemref idref="Cover.xhtml" properties="rendition:layout-pre-paginated rendition:spread-none rendition:page-spread-center"/>
Cover.xhtml
<meta name="viewport" content="height=705, width="/>
epubcheck-4.2.4 is all pass.
- We think the rfl_without_viewport_width.epub should also output ERROR(
HTM-046), orHTM-047(Html viewport is missing height and/or width.)
reference #419
Activity
rdeltour commentedon Mar 9, 2021
Thanks for the report @JackieFei! It looks like a false-negative indeed (an error should probably be reported).
I'll try to have a closer look for the next milestone.
feat: check the formal `viewport` `meta` tag syntax