adiabatic / ame.fea
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The character sequence "roe it" (two Quikscript letters) gets turned into "roe.s2 it.2s".

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# Glyph names and lookup names must be:

# - up to 31 characters

# - be comprised of A-Z a-z 0-9 . _

# - must not start with a digit or period (underscores OK)

 

# glyph names and lookup names can be 31 characters;

# glyph class names (lists) max out at 30.

 

##############################################################

## Glyph Classes

##

 

## Connects at Short

@can_2s = [ may-qs no-qs it-qs utter-qs ];

@can_s2 = [ no-qs it-qs et-qs roe-qs awe-qs ];

 

@does_2s = [ may-qs.2s no-qs.2s it-qs.2s utter-qs.2s ];

@does_s2 = [ no-qs.s2 it-qs.s2 et-qs.s2 roe-qs.s2 awe-qs.s2 ];

 

@can_s2s = [ no-qs ];

@does_s2s = [ no-qs.s2s ];

 

 

## Connects at baseline

@can_2b = [ tea-qs no-qs it-qs eat-qs et-qs awe-qs ];

@can_b2 = [ tea-qs no-qs it-qs eat-qs utter-qs roe-qs ];

 

@does_2b = [ tea-qs.2b no-qs.2b it-qs.2b eat-qs.2b et-qs.2b awe-qs.2b ];

@does_b2 = [ tea-qs.b2 no-qs.b2 it-qs.b2 eat-qs.b2 utter-qs.b2 roe-qs.b2 ];

 

@can_b2b = [ no-qs eat-qs ];

@does_b2b = [ no-qs.b2b eat-qs.b2b ];

 

 

## Diagonal Connections

@can_s2b = [ it-qs awe-qs ];

@can_b2s = [ it-qs utter-qs ];

 

##############################################################

## Single-Glyph Substitutions

##

 

lookup plain_to_2s {

    sub may-qs by may-qs.2s;

    sub no-qs by no-qs.2s;

    sub it-qs by it-qs.2s;

    sub utter-qs by utter-qs.2s;

} plain_to_2s; 

 

lookup plain_to_s2 {

    sub no-qs by no-qs.s2;

    sub it-qs by it-qs.s2;

    sub et-qs by et-qs.s2;

    sub roe-qs by roe-qs.s2;

    sub awe-qs by awe-qs.s2;

} plain_to_s2; 

 

lookup s2_to_s2s {

    sub no-qs.s2 by no-qs.s2s;

} s2_to_s2s;

 

lookup _2s_to_s2s {

    sub no-qs.2s by no-qs.s2s;

} _2s_to_s2s;

 

 

## at baseline

 

lookup plain_to_2b {

    sub tea-qs by tea-qs.2b;

    sub no-qs by no-qs.2b;

    sub it-qs by it-qs.2b;

    sub eat-qs by eat-qs.2b;

    sub et-qs by et-qs.2b;

    sub awe-qs by awe-qs.2b;

} plain_to_2b; 

 

lookup plain_to_b2 {

    sub tea-qs by tea-qs.b2;

    sub no-qs by no-qs.b2;

    sub it-qs by it-qs.b2;

    sub eat-qs by eat-qs.b2;

    sub utter-qs by utter-qs.b2;

    sub roe-qs by roe-qs.b2;

} plain_to_b2; 

 

lookup b2_to_b2b {

    sub no-qs.b2 by no-qs.b2b;

    sub eat-qs.b2 by eat-qs.b2b;

} b2_to_b2b;

 

lookup _2b_to_b2b {

    sub no-qs.2b by no-qs.b2b;

    sub eat-qs.2b by eat-qs.b2b;

} _2b_to_b2b;

 

 

## crossovers

 

lookup b2_to_b2s {

    sub it-qs.b2 by it-qs.b2s;

    sub utter-qs.b2 by utter-qs.b2s;

} b2_to_b2s;

 

lookup s2_to_s2b {

    sub it-qs.s2 by it-qs.s2b;

    sub awe-qs.s2 by awe-qs.s2b;

} s2_to_s2b;

 

lookup _2b_to_s2b {

    sub it-qs.2b by it-qs.s2b;

    sub awe-qs.2b by awe-qs.s2b;

} _2b_to_s2b;

 

lookup _2s_to_b2s {

    sub it-qs.2s by it-qs.b2s;

    sub utter-qs.2s by utter-qs.b2s;

} _2s_to_b2s;

 

 

##############################################################

## 'calt' Passes

##

 

# Possibly useful lookupflags: IgnoreBaseGlyphs, IgnoreLigatures (defined in GDEF table)

 

### Connects the unconnected.

lookup calt_pass_1 {

    

    sub @can_2b'    lookup plain_to_2b

        @can_b2'    lookup plain_to_b2;

    sub @can_2s'    lookup plain_to_2s

        @can_s2'    lookup plain_to_s2;

 

    sub @can_s2'    lookup plain_to_s2

        @can_2s'    lookup plain_to_2s;

 

 

 

    sub @can_b2'    lookup plain_to_b2

        @can_2b'    lookup plain_to_2b;

    

} calt_pass_1;

 

 

 

### Connects what's connected on one side already.

lookup calt_pass_2 {

    

    sub @does_b2' lookup b2_to_b2b     # 5

        @can_2b'  lookup plain_to_2b;

    sub @does_b2' lookup b2_to_b2s     # 6

        @can_s2'  lookup plain_to_s2;

 

    sub @does_s2'  lookup s2_to_s2b      # 8

        @can_b2'   lookup plain_to_b2;

    sub @does_s2'  lookup s2_to_s2s      # 9

        @can_s2'   lookup plain_to_s2;

            

    

    sub @does_b2'   lookup  b2_to_b2b   # 5

        @does_2b'   lookup _2b_to_b2b;

    sub @does_b2'   lookup b2_to_b2s    # 6

        @does_2b'   lookup _2b_to_s2b;

        

    sub @does_s2'   lookup  s2_to_s2b   # 8

        @does_2b'   lookup _2b_to_b2b;

    sub @does_s2'   lookup  s2_to_s2s   # 9

        @does_2b'   lookup _2b_to_s2b;

 

    

    sub @does_b2'   lookup  b2_to_b2s   # 5

        @does_2s'   lookup _2s_to_b2s;

    sub @does_b2'   lookup  b2_to_b2s   # 6

        @does_2s'   lookup _2s_to_s2s;

    

    sub @does_s2'   lookup s2_to_s2b    # 8

        @does_2s'   lookup _2s_to_b2s;

    sub @does_s2'   lookup s2_to_s2s    # 9 (responsible for nnnnnnn failures?)

        @does_2s'   lookup _2s_to_s2s;

        

} calt_pass_2;

 

 

##############################################################

## Features

##

 

feature calt {    

    lookup calt_pass_1;

#    lookup calt_pass_2;

} calt;
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