INSTCTRL *can* be used in the `glyf` table, too

[lemzwerg]

The documentation says

INSTCTRL[ ] can only be executed in the CVT program.

However, this is not correct; the ClearType description of INSTCTRL says something else.

---

Document Details

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• ID: 9eb69554-e257-e483-2e26-7f04fdf44fd8
• Version Independent ID: d560a11c-2ac5-1abc-7165-453c3a9618c8
• Content: TrueType Instruction Set (OpenType 1.9) - Typography
• Content Source: typographydocs/opentype/spec/tt_instructions.md
• Product: typography
• GitHub Login: @v-nihar
• Microsoft Alias: alib

[PeterCon]

That old article isn't completely accurate, but it is on this point. Will draft a revision.

[PeterCon]

See the OT 1.9.1 alpha for draft revisions addressing this issue.

[lemzwerg]

Thanks.

[PeterCon]

This is fixed in OT 1.9.1. See the OT 1.9.1 beta for draft revisions addressing this issue.