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%c modifiers  
 

Introduction

This example uses the %c modifiers to show how a simple document can be translated into a TeX-like markup language. Note the translate rule used with the break-width and replacement-break declarations. This is a standard way of processing data content without worrying about how the lines are broken originally.

Old part numbers are printed in lowercase only. New part numbers are printed with uppercase letters. The title isn't broken or stripped. Paragraph text is stripped, and this stripping is inherited by the "part" and "old part" elements.

A typical document may look like this:

  <!doctype doc [
  <!element doc        o o (title, para+)>
  <!element title      o o (#pcdata)>
  <!element para       - o (#pcdata|part|old-part)*>
  <!element part       - - (#pcdata)>
  <!element old-part   - - (#pcdata)>
  ]>
  Acme Llama and Haggis Supply Parts Catalogue,
  Fall, 1973
  <para>
  Our new stock includes three new Peruvian llamas (ask for
  <part/lL-33-864/). We have also located a new haggis supplier in
  Singapore (<part/gG-33-865/), and are no longer carrying
  <old-part/Yh5-33-863A/, as our supplier in the Maldives is no longer in
  business. This change should handle some of your requests.
  <para>
  As usual,
  we at Acme are looking forward to meeting your needs this fall.

The output, which can be sent to a formatter, appears as follows:

  \title{Acme Llama and Haggis Supply Parts Catalogue, Fall, 1973}

      Our new stock includes three new
  Peruvian llamas (ask for
  \part{LL-33-864}). We have also located
  a new haggis supplier in Singapore
  (\part{GG-33-865}), and are no longer
  carrying \part{yh5-33-863a}, as our
  supplier in the Maldives is no longer in
  business. This change should handle some
  of your requests.

      As usual, we at Acme are looking
  forward to meeting your needs this fall.

The formatter instruction \part appears in lowercase despite the "u" modifier on the %c operator in the part element rule. This is because it is part of a format string and not copied data content.

%c modifiers do not usually apply to text explicitly output by the OmniMark program. The exceptions are "%sn", "%st", and "%s_". The "s" modifier in a %c causes all the "strippable" white space to be eliminated. The "s" modifier in a "%t", "%n", or "%_" format item marks that item as "strippable".



Sample

  element doc
    output "%c"

  element para
    output "%n" when previous is para
    output "%_%_%_%_%sc%n"

  element part
    output "\part{%uc}"

  element old-part
    output "\part{%lc}"

  element title
    output "\title{%hc}%n%n"

  translate "%n"
    output "%/%s_"

  break-width 40

  replacement-break "%_" "%n"

   
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