Inklang example 1

rule
    size 6x9";
    # alternates
    size letter;
    size 210x297mm;
    size a4;

    font Arno Pro, 10/13pt;

    margin 1";
    inner-margin .75"; # overrides earlier margin value
endrule

# Named rule (for use later)
rule @times
    find \dx\d : replace \d × \d
endrule @times

rule @year-labels
    # Find "a.d." and turn on the smcp OpenType feature
    find a.d. : feature smcp;
    # alternate way
    find [b.c. | b.c.e. | c.e. | a.d.] : feature smcp;
endrule

# Exceptions
rule
    # If a.d. is found in heading style text, don't run @year-labels on it
    find a.d. (style=heading) : ignore @year-labels;

    # Find a specific "m.a.d." and don't run @year-labels on it
    # This selector language needs a lot of work
    find /chapter:4/paragraph:2/word:[m.a.d.] : ignore @year-labels;

    # Usually, though, you'd want to revise the general rule like this
    # Only run the rule if it's by itself (word boundaries) and not a heading
    find \wa.d.\w (style!=heading) : feature smcp;
endrule

rule @paragraph-indents
    # Indent first line of all paragraphs 1.25em;
    find %paragraph : initial-indent 1.25em;

    # Override for first paragraph of a section/chapter
    find %paragraph:nth(1) : initial-indent 0;

    # Paragraphs following tables aren't indented
    find %table + %paragraph : initial-indent 0;

    # Hanging indents for paragraphs with hanging tag
    find %paragraph.hanging : hanging-indent .125";
endrule

# Tracking/kerning
rule
    # Find sequential uppercase and bump tracking up
    find [A-Z]+ | tracking 50;

    # Find V followed by a and kern -25
    find Va | kern -25;
endrule

# Coptic (named Unicode range)
range @coptic
    u+2c80 .. u+2cff;
    u+03e2 .. u+03ee;
    u+03ef; # separated for demo purposes
endrange

rule @coptic-font
    # Any characters in the Coptic range should be set in Antinoou
    find range @coptic : font Antinoou, 24/28pt, dlig;
endrule

# Unicode properties
rule @numbers
    # Replace any numbers with old-style figures
    find [ unicode.Nd | unicode.No ] : feature onum;
endrule

# Masters
master @a
    frame ...; # incomplete, but this part would have text frames
endmaster

# Apply masters
rule
    # All pages get master @a by default
    page * : master @a;

    # Remove master for pages i-iv
    page i-iv : master none;

    # Ignore @paragraph-indents rule on page 9
    page 9 : ignore @paragraph-indents;

    # Set data to be put into masters
    data @main, @index;

    # Variable used for running heads
    $title War and Peace;

    # Set running heads
    # (@inside-header etc. are frames in the master)
    page.odd : @inside-header $pagenum;
    page.odd : @outside-header $section; # set in data
    page.even : @center-header $title;
endrule

# Data
data @main
    transform @ingest;
    include preface.txt;
    include chapters/chapter*.txt;
enddata

data @index
    include index.json;
enddata

# Transform
# Used for an initial transform if necessary
transform @ingest (text)
    // JavaScript or other scripting language
    // These aren't great examples, though
    var response = text.replace(/CHAPTER/, "\n\nChapter");
    response = response.replace(/\wteh\w/, "the");
    return response;
endtransform

# Styles
# I don't have an example yet of how to use this, but imagine
# something ala InDesign or CSS
style @heading1
    font Warnock Pro;
    size 18/24pt;
    onum;
    -smcp; # turn off small caps
    space-before 1.24em;
    space-after 1.24em;
endstyle