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https://issues.apache.org/jira/browse/FOP-3077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17570476#comment-17570476
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Volker Kunert edited comment on FOP-3077 at 8/4/22 10:10 PM:
-------------------------------------------------------------
Starting with Version 2.006 2021-10-05
NotoSansRegular uses the following structures:
{code:java}
InputClassDef
LookAheadClassDef
ChainSubClassSet
ChainSubClassRule
{code}
See
[https://github.com/notofonts/noto-fonts/blob/04b2470bbaaa277e75ec37cd120bbcd704b74671/hinted/ttf/NotoSans/NotoSans-Regular.ttf]
FOP doesn't seem to process these structures correctly.
was (Author: [email protected]):
Starting with Version 2.006 2021-10-05
NotoSansRegular uses the following structures:
{code}
InputClassDef
LookAheadClassDef
ChainSubClassSet
ChainSubClassRule
{code}
See
[https://github.com/notofonts/noto-fonts/blob/04b2470bbaaa277e75ec37cd120bbcd704b74671/hinted/ttf/NotoSans/NotoSans-Regular.ttf]
FOP doesn't seem to support these structures.
> Wrong rendering of LATIN SMALL LETTER J WITH COMBINING ACUTE ACCENT
> -------------------------------------------------------------------
>
> Key: FOP-3077
> URL: https://issues.apache.org/jira/browse/FOP-3077
> Project: FOP
> Issue Type: Bug
> Components: font/opentype
> Affects Versions: trunk
> Reporter: Volker Kunert
> Priority: Major
> Attachments: fop-din-spec-91379.fo, fop-din-spec-91379.fo.pdf,
> fop-j-acute-deja.pdf, fop-j-acute.fo, fop-j-acute.fo.pdf, fop.conf,
> image-2022-06-11-12-04-55-468.png, image-2022-06-11-12-07-43-295.png,
> j_with_acute_DejaVuLGCSerif.pdf, j_with_acute_NotoSans-Regular.png,
> j_with_acute_NotoSansMono-Regular-1.png, j_with_acute_NotoSansMono-Regular.png
>
>
> In the glyph layout process for LATIN SMALL LETTER J WITH COMBINING ACUTE
> ACCENT
> the letter "j" should be substituted by dotless j and then combined with the
> accent.
> The substitution is not carried out.
> For font Noto Sans Regular
> Result with FOP:
> !image-2022-06-11-12-04-55-468.png!
> Result with HarfBuzz:
> !j_with_acute_NotoSans-Regular.png!
> The same error occurs with font Noto Sans Mono Regular.
> FOP:
> !image-2022-06-11-12-07-43-295.png!
> HarfBuzz:
> !j_with_acute_NotoSansMono-Regular-1.png!
> See also [^fop-j-acute.fo] and [^fop-j-acute.fo.pdf]
> For reference I added a list of all characters and sequences of DIN SPEC
> 91379, see [^fop-din-spec-91379.fo] and [^fop-din-spec-91379.fo.pdf] .
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