Re: Changing math layout / microtypography

@SysInclude { doc }
@SysInclude { math }

extend @Math
def lint
  named limits { "dft" }
  named from   { }
  named to     { }
{
  int limits { limits } from { from } to { to }
}


extend @Math
export
  symbolfont
  basefont
  initialstyle
  initiallycramped
  initialspace
def @MathDefaults
{
  def dftsymbolfont { symbolfont    }
  def symbolfont    { dftsymbolfont }

  def dftbasefont { basefont    }
  def basefont    { dftbasefont }

  def dftinitialstyle { initialstyle    }
  def initialstyle    { dftinitialstyle }

  def dftinitiallycramped { initiallycramped    }
  def initiallycramped    { dftinitiallycramped }

  def dftinitialspace { initialspace    }
  def initialspace    { dftinitialspace }
}

import @Math
export int
def @MyMath
  import @MathDefaults named symbolfont       { symbolfont }
  import @MathDefaults named basefont         { basefont   }
  import @MathDefaults named initialstyle     { initialstyle }
  import @MathDefaults named initiallycramped { initiallycramped }
  import @MathDefaults named initialspace     { initialspace }

  # pseudo-body
  import @Math @MyMath named @ { }
@Begin

  def int # define a new one
    named limits { "dft" }
    named from   { }
    named to     { }
  {
    { @Math {} } @Open {
      int limits { limits } from { from } to { to }
    }
  }

  @Math
    symbolfont { symbolfont }
    basefont { basefont }
    initialstyle { initialstyle }
    initiallycramped { initiallycramped }
    initialspace { initialspace }
  { @ }
@End @MyMath

macro @MM { @HContract @VContract @MyMath initialstyle { "text" } }


@Document
//
@Text @Begin

@LP { 
@Math { lint from { 0 } to { 10 } dx }
--- using different symbol ''lint''.
}

@LD {
@MyMath @{ int from { 0 } to { 10 } dx }
--- using ''int'' but with ''"@MyMath"'' instead of ''"@Math"''.
}

@LP Inline "@MM" formula with automatically selected compact limits
@MM @{ int from { 0 } to { 10 } dx },
compare with summation:
@MM @{ sum from { i = 0 } to { 10 } i }.

@End @Text