11 Sort

11.1 Scope
   1. sorting records within the database
   2. sorting records in output

11.2 Basic sort criterium for characters:
   1. operating system's tables
   2. program specific settings and/or tables
   3. user defined table (es. ä = ae)

11.3 Sort keys on different levels

11.4 How to sort the database

11.5 How to sort for printing

11.7 Sort key length can be defined

11.8 Sort for printing belongs to output styles

11.9 Sort records in output using:
   1. words
   2. single occurrence of a multiple field
   3. marked strings
   4. portions of field and subfield
   5. whole field
   6. other

11.10 Can alter the sort value of a string

11.11 Conditional commands available for sorting

11.12 Sort keys derived from different fields

11.13 Ignore initial articles and punctuation marks

11.15 Other

11.16 Sort can produce headings above sorted records (so called : "subject bibliography", indexed report)

11.16.1 Sort keys are another item from headings (i.e. sort on A, display B), thus can match or be different

11.16.2 Headings might not be displayed within records

11.16.3 More than one level of sort key as headings

11.16.4 Sort of records under the same sort key

11.16.5 Sort occurrences of a repeatable field as headings
1. altogether
2. all separated
3. just one

11.16.6 Records are referenced more than once by different sort headings

11.16.7 Sort headings can be formatted

11.16.8 Can produce indexes referencing records in the database by a short element (e.g. RN)