* src/otlayout/otlcommn.c (otl_gsubgpos_get_lookup_count): New
function.
* src/otlayout/otlcommn.h: Updated.

* src/otlayout/otlbase.c: Rename counting variables to be more
meaningful.
Add copyright message.
* src/otlayout/otlbase.h: Add copyright message.

* src/otlayout/otlgdef.c: Rename counting variables to be more
meaningful.
Add copyright message.
Use OTL_CHECK everywhere.
(otl_caret_value_validate): Remove unused variable.
(otl_gdef_validate): All tables are optional.
* src/otlayout/otlgdef.h: Add copyright message.

* src/otlayout/otljstf.c: Rename counting variables to be more
meaningful.
Add copyright message.
(otl_jstf_gsub_mods_validate, otl_jstf_gpos_mods_validate): Add
parameter to pass lookup count.
Update all callers.
Check lookup array.
(otl_jstf_max_validate):
s/otl_gpos_subtable_check/otl_gpos_subtable_validate/.
(otl_jstf_priority_validate, otl_jstf_lang_validate,
otl_jstf_script_validate): Add two parameters to pass lookup counts.
Update all callers.
(otl_jstf_validate): Add two parameters to pass GPOS and GSUB
table offsets; use otl_gsubgpos_get_lookup_count to convert extract
lookup counts.
Fix typo.
* src/otlayout/otljstf.h: Updated.
Add copyright message.

* src/otlayout/otlgpos.c (otl_gpos_subtable_validate): New function.
(otl_gpos_validate): Use it.
* src/otlayout/otlgpos.h: Updated.
13 files changed