Identifiers
At many places. identifiers are used. They are encoded in a long, of which the last byte usually equals 10. Identifiers are assigned by Psion for all kinds of tasks; the central registration of them ensures none are used double.
Below is a list of all identifiers I have found.
Identifier Location Description
37 00 00 10 Header Section UID1: ID 10000037 File
40 00 00 10 Header Section UID1: Clip Art File
41 00 00 10 Clip Art Item Clip Art Item marker
42 00 00 10 Header Section UID2: MBM File
46 00 00 10 Header Section UID1: World Data File
4C 00 00 10 Word Other Styles Non-removable style
4F 00 00 10 Word Other Styles Removable style
50 00 00 10 Header Section UID1: ID 10000050 File
51 00 00 10 Text Layout Section Embedded Object marker
52 00 00 10 Section Table Section Record Section offset marker
5C 00 00 10 TextEd Section TextEd Section marker
5F 00 00 10 Text Replacement Section Substitution kind: Time or date
60 00 00 10 Text Replacement Section Substitution kind: Page nr.
61 00 00 10 Text Replacement Section Substitution kind: Nr. of pages
62 00 00 10 Text Replacement Section Substitution kind: Filename
63 00 00 10 TextEd Jumptable Text Replacement Section offset marker
64 00 00 10 TextEd Section Text Section marker
65 00 00 10 TextEd Jumptable Unknown offset marker
66 00 00 10 TextEd Section Text Layout Section offset marker
6D 00 00 10 Header Section UID2: Data file
7D 00 00 10 Application ID Section Paint.app identifier
Section Table Section Sketch Section offset marker
7E 00 00 10 Application ID Section RECORD.APP identifier
7F 00 00 10 Application ID Section Word.app identifier
84 00 00 10 Application ID Section Agenda.app identifier
85 00 00 10 Application ID Section TextEd.app identifier
Section Table Section TextEd Section offset marker
86 00 00 10 Application ID Section Data.app identifier
87 00 00 10 Application ID Section Comms.app identifier
Section Table Section Comms Section offset marker
88 00 00 10 Application ID Section Sheet.app identifier
89 00 00 10 Section Table Section Application ID Section offset marker
CD 00 00 10 Section Table Section Password Section offset marker
FD 00 00 10 Page Layout Section Page dimensions marker
03 01 00 10 Password Section Password block marker
04 01 00 10 Section Table Section Word Styles Section offset marker
05 01 00 10 Section Table Section Text Layout Section offset marker
06 01 00 10 Section Table Section Text Section offset marker
0E 01 00 00 Page Layout Section Page dimension marker
1D 01 00 10 Section Table Section ??? offset marker
1F 01 00 10 Section Table Section Sheet Status Section offset marker
21 01 00 10 Section Table Section Sheet Graph List Section offset marker
2A 01 00 00 Embedded Object Section Object Icon Section offset marker
42 01 00 10 Section Table Section Text Layout Section offset marker
44 01 00 00 Embedded Object Section Section Table Offset Section offset marker
46 01 00 00 Embedded Object Section Object Display Section offset marker
A1 01 00 10 Record Section ADPCM compression selector
43 02 00 10 Section Table Section Word Status Section offset marker
EA oC 00 10 Application ID Section Jotter.app identifier
Header Section UID3: Jotter files
BE 0E 00 10 Header Section UID2: Contacts store file