1 Objectives and scope
2 Terminology
3 Maintenance of ITU-T Recs. Z.100
to Z.109
4 Z.100 changes
4.1 Clerical error Underlining
<Natural literal name>
4.2 Extension Add <comment
body> before <left curly bracket>
4.3 Clerical error <end>
Annex D
4.4 Clerical error Loop
statement keyword Clause 1.5: Differences ...
4.5 Clarification Clause 5.3.2:
Titled enumeration item, Model
4.6 Clerical error and
clarification Clause 5.4.2: BNF
4.7 Clarification Example
Clause 5.4.3: Metalanguage for graphical grammar
4.8 Clerical error Line symbols
Clause 5.4.3: Metalanguage for graphical grammar
4.9 Modification Comment syntax Clause 6.1: Lexical rules
4.10 Extension Range sign
Clause 6.1: Lexical rules
4.11 Clerical error Loop
statement keyword Clause 6.1: Lexical rules
4.12 Clerical error
Reference Clause 6.3: Visibility rules, names and identifiers, Concrete
textual grammar
4.13 Clerical errors Content of
drawings Clause 6.6: Partitioning of drawings
4.14 Modification Change syntax for <comment>
Clause 6.7: Comment
4.15 Clerical error Grammar for
<specification area> Clause 7.1: Framework
4.16 Clerical error Allow
signals to environment for type-based systems Clause 7.1: Framework
4.17 Clarification Potentially
instantiated type Clause 7.1: Framework, Semantics
4.18 Clarification Concrete
graphical syntax for <diagram in package> Clause 7.2: Package
4.19 Clerical error Grammar for
<specification area> Clause 7.2: Package, Concrete textual grammar
4.20 Clerical error Union of
packages Clause 7.2: Package, Model
4.21 Clarification Clause
8.1.1.1: Agent types, Abstract grammar
4.22 Clarification Syntax
simplified Clause 8.1.1.1: Agent types, Concrete textual grammar
4.23 Clarification Syntax
simplified Clause 8.1.1.1: Agent types, Concrete graphical grammar
4.24 Clerical error Complete
output set definition Clause 8.1.1.1: Agent types, Semantics
4.25 Clarification Agent type
model Clause 8.1.1.1: Agent types, Model
4.26 Clerical error Missing
context parameters Clause 8.1.1.2: System type, Concrete textual grammar
4.27 Clerical error Syntax
simplified Clause 8.1.1.2: System type, Concrete
textual grammar
4.28 Clerical error Omitted
gates/syntax simplified Clause 8.1.1.2: System type, Concrete graphical grammar
4.29 Clarification Clause
8.1.1.2: System type, Concrete graphical grammar
4.30 Clarification Syntax
simplification Clause 8.1.1.3: Block type, Concrete textual grammar
4.31 Clerical error Missing
context parameters Clause 8.1.1.3: Block type, Concrete textual grammar
4.32 Clarification Clause
8.1.1.3: Block type, Concrete graphical grammar
4.33 Clarification Clause
8.1.1.3: Block type, Concrete graphical grammar
4.34 Error correction Clause
8.1.1.3: Block type, Concrete graphical grammar
4.35 Clarification Syntax
simplification Clause 8.1.1.4: Process type, Concrete textual grammar
4.36 Clerical error Missing
context parameters Clause 8.1.1.4: Process type, Concrete textual
grammar
4.37 Clarification Clause
8.1.1.4: Process type, Concrete graphical grammar
4.38 Clarification Clause
8.1.1.4: Process type, Concrete graphical grammar
4.39 Error correction Clause
8.1.1.4: Process type, Semantics
4.40 Clerical error Align with
Annex F Clause 8.1.1.5: Composite state type, Abstract grammar
4.41 Error correction Clause
8.1.1.5: Composite state type, Abstract grammar
4.42 Clarification Clause
8.1.1.5: Composite state type, Concrete textual grammar
4.43 Clerical error Missing
context parameters Clause 8.1.1.5: Composite state type, Concrete
textual grammar
4.44 Clarification Clause
8.1.1.5: Composite state type, Concrete textual grammar
4.45 Clarification Clause
8.1.1.5: Composite state type, Concrete graphical grammar
4.46 Error correction Clause
8.1.1.5: Composite state type, Concrete graphical grammar
4.47 Clerical error Underlined
type Clause 8.1.3.1: System definition based on system type, Concrete
textual grammar
4.48 Clerical Error Unnecessary
transformation Clause 8.1.3.1: System definition based on system type
4.49 Clerical error Unnecessary
transformation Clause 8.1.3.2: Block definition based on block type
4.50 Clerical error Unnecessary
transformation Clause 8.1.3.3: Process definition based on process type
4.51 Clerical error Missing
exported Clause 8.1.4: Abstract type, Concrete grammar
4.52 Clerical error Sort in
signal parameter property Clause 8.1.5: Type references, Concrete
textual grammar
4.53 Clerical error Missing
exported Clause 8.1.5: Type references, Concrete graphical grammar
4.54 Clerical error Endpoint
constraint too restrictive Clause 8.1.6: Gate, Concrete textual grammar
4.55 Clerical error Wrong
identifier Clause 8.2.1: Agent type context parameter, Concrete textual
grammar
4.56 Clarification Meaning of
colon Clause 8.2.2: Agent context parameter, Concrete textual grammar
4.57 Clarification Link to
abstract syntax Clause 8.3.1: Adding properties, Concrete textual
grammar
4.58 Clerical error Reference
Clause 8.3.3: Virtual transition/save, Concrete textual grammar
4.59 Clerical error Reference to
Annex F Clause 8.3.3: Virtual transition/save, Semantics
4.60 Clerical error Missing
context parameters Clause 8.4: Associations, Concrete textual grammar
4.61 Clarification Clause 9:
Agents, Abstract grammar
4.62 Clarification Clause 9:
Agents, Concrete textual grammar
4.63 Clerical errors Clause 9:
Agents, Concrete textual grammar
4.64 Clarification Clause 9:
Agents, Concrete textual grammar
4.65 Clarification
Simplification Clause 9: Agents, Concrete textual grammar
4.66 Clarification How
described Clause 9: Agents, Concrete graphical
grammar
4.67 Clerical error How
described Clause 9: Agents, Concrete graphical
grammar
4.68 Clerical error Unnecessary restriction
on gate connection Clause 9: Agents, Semantics
4.69 Clarification Stopping
condition for initial agents Clause 9: Agents, Semantics
4.70 Clerical error Complete
valid input signal set Clause 9: Agents, Semantics
4.71 Clerical error Incorrect
plural Clause 9: Agents, Semantics
4.72 Clerical error Complete
output set definition Clause 9: Agents, Semantics
4.73 Clarification Pid value of
contained agents Clause 9: Agents, Model
4.74 Clerical error Omitted
gates Clause 9.1: System, Concrete graphical
grammar
4.75 Clerical error Incorrect
condition Clause 9.1: System, Concrete graphical
grammar
4.76 Clarification Clause 9.2: Block, Concrete graphical grammar
4.77 Clarification Clause 9.3:
Process, Concrete graphical grammar
4.78 Clerical error Start
node/base procedure identifier Clause 9.4: Procedures, Abstract grammar
4.79 Clerical error Missing
exported Clause 9.4: Procedure, Concrete
textual grammar
4.80 Clerical error Missing
context parameters Clause 9.4: Procedure, Concrete textual grammar
4.81 Clarification Clause 9.4:
Procedure, Concrete graphical grammar
4.82 Clerical error Missing
composite state Clause 9.4: Procedure, Concrete
graphical grammar
4.83 Clarification Clause 9.4:
Procedure, Concrete graphical grammar
4.84 Clarification Clause 9.4:
Procedure, Concrete graphical grammar
4.85 Clerical error Clause 9.4:
Procedure, Semantics
4.86 Clerical error Reference to
Annex F Clause 9.4: Procedure, Semantics
4.87 Clerical error Reference to
Annex F Clause 10.1: Channel, Concrete textual
grammar
4.88 Clarification How
described Clause 10.1: Channel, Concrete
graphical grammar
4.89 Clarification How
described Clause 10.1: Channel, Concrete
graphical grammar
4.90 Clerical error Reference to
Annex F Clause 10.1: Channel, Model
4.91 Clerical error Clause 10.2:
Connection, Concrete graphical grammar
4.92 Clerical error Clause 10.2:
Connection, Model
4.93 Clerical error Missing
context parameters Clause 10.3: Signal, Concrete textual grammar
4.94 Clarification Clause 10.3:
Signal, Concrete graphical grammar
4.95 Clerical error Missing
interface Clause 10.4: Signal list definition, Concrete textual grammar
4.96 Clerical error Missing
interface Clause 10.4: Signal list definition, Concrete textual grammar
4.97 Clerical error Missing
exception Clause 10.5: Remote procedures, Concrete textual grammar
4.98 Clerical Error Complete
output set definition Clause 10.5: Remote procedures, Concrete textual
grammar
4.99 Clerical error Complete
output set definition Clause 10.5: Remote procedures, Concrete textual
grammar
4.100 Clerical errors Extra
return, extra tab Clause 10.5: Remote procedures, Model
4.101 Clerical error Nodelay
Clause 10.5: Remote procedures, Model
4.102 Clerical error Missing
exception Clause 10.6: Remote variables, Concrete textual grammar
4.103 Clerical error Annex F
reference and nodelay Clause 10.6: Remote variables
4.104 Clerical error Presentation
mistake Clause 11.2: State, Abstract grammar
4.105 Clarification Presentation
of basic and composite states Clause 11.2: State, Abstract grammar
4.106 Clarification Presentation
of basic and composite states Clause 11.2: State, Concrete textual
grammar
11.2.1 Basic State
4.107 Clarification Presentation
of basic and composite states Clause 11.2: State, Concrete graphical
grammar
4.108 Clarification Presentation
of basic and composite state Clause 11.2: State, Semantics
4.109 Clarification Transition
selection Clause 11.2.1: Basic state, Semantics
4.110 Clarification Presentation
of basic and composite state Clause 11.2.1: Basic state, Model
4.111 Clarification <action
statement> to <action> Clause 11.3: Input, Model
4.112 Clerical error Omitted on-exception Clause 11.5:
Continuous Signal, Abstract grammar
4.113 Clarification Transition
selection Clause 11.5: Continuous signal, Semantics
4.114 Clarification Transition
selection Clause 11.6: Enabling condition, Semantics
4.115 Clarification Clause 11.7:
Save, Abstract grammar
4.116 Clarification body area
instead of graph area Clause 11.10: Label, Concrete textual grammar
4.117 Clarification <action statement>
to <action> Clause 11.10: Label, Concrete textual grammar
4.118 Clarification body area
instead of graph area Clause 11.10: Label, Concrete graphical grammar
4.119 Clarification <action
statement> to <action> Clause 11.10: Label, Model
4.120 Clarification
<terminator statement> to <terminator> Clause 11.10: Label,
Model
4.121 Clerical Error Missing
"by" Clause 11.11: State machine and Composite state
4.122 Clarification Clause 11.11:
State machine and Composite state, Semantics
4.123 Clerical error Missing
Model Clause 11.11: State machine and Composite state, Model
4.124 Clerical error Optional
start node Clause 11.11.1: Composite state graph, Abstract grammar
4.125 Clarification Clause
11.11.1: Composite state graph, Concrete textual grammar
4.126 Clerical error Omitted
specialization Clause 11.11.1: Composite state graph, Concrete textual
grammar
4.127 Clerical error Omitted
items Clause 11.11.1: Composite state graph, Concrete textual grammar
4.128 Clerical error Misplaced
rule Clause 11.11.1: Composite state graph, Concrete textual grammar
4.129 Clarification Misplaced
sentence Clause 11.11.1: Composite state graph, Concrete textual grammar
4.130 Clarification Gate
use Clause 11.11.1: Composite state graph, Concrete textual grammar
4.131 Clarification Clause
11.11.1: Composite state graph, Concrete graphical grammar
4.132 Clerical error Omitted
items Clause 11.11.1: Composite state graph, Concrete graphical grammar
4.133 Clarification Clause
11.11.1: Composite state graph, Concrete graphical grammar
4.134 Clarification Misplaced
sentence Clause 11.11.1: Composite state graph, Concrete graphical
grammar
4.135 Clarification Clause
11.11.1: Composite state graph, Semantics
4.136 Clarification Clause
11.11.2: State aggregation
4.137 Clarification
Conditions Clause 11.11.2: State aggregation, Abstract grammar
4.138 Clarification Clause
11.11.2: State aggregation, Abstract grammar
4.139 Clarification Clause
11.11.2: State aggregation, Concrete textual grammar
4.140 Clerical error Omitted
specialization Clause 11.11.2: State aggregation, Concrete textual
grammar
4.141 Clarification Clause
11.11.2: State aggregation, Concrete textual grammar
4.142 Clerical error Allow empty
body Clause 11.11.2: State aggregation, Concrete textual grammar
4.143 Clarification Composite
state reference Clause 11.11.2: State aggregation, Concrete textual
grammar
4.144 Clerical error Composite
state reference Clause 11.11.2: State aggregation, Concrete textual
grammar
4.145 Clarification Clause
11.11.2: State aggregation, Concrete graphical grammar
4.146 Clerical error Allow empty
body Clause 11.11.2: State aggregation, Concrete graphical grammar
4.147 Clarification Clause 11.11.2: State
aggregation, Concrete graphical grammar
4.148 Clerical error
Identifier Clause 11.11.2: State aggregation, Concrete graphical grammar
4.149 Clerical error Connection
points syntax Clause 11.11.2: State aggregation, Concrete graphical grammar
4.150 Clerical error
<gate>s omitted Clause 11.11.2: State aggregation, Concrete
graphical grammar
4.151 Clarification
Conditions Clause 11.11.2: State aggregation, Concrete graphical grammar
4.152 Clarifications Clause
11.11.2: State aggregation, Semantics
4.153 Clarification Misplaced
sentence Clause 11.11.3: State connection point, Semantics
4.154 Extension More flexible
connect list Clause 11.11.4: Connect
4.155 Clerical error Exception
handling Clause 11.12.1: Transition body, Concrete
textual grammar
4.156 Clerical error Body of
operators Clause 11.12.1: Transition body, Concrete
graphical grammar
4.157 Clerical error Annex F
reference Clause 11.12.1: Semantics
4.158 Clarification <action
statement> to <action> Clause 11.12.2.2: Join
4.159 Clarification <agent
body> Clause 11.12.2.2: Join, Concrete textual grammar
4.160 Clarification <agent
body area> Clause 11.12.2.2: Join, Concrete graphical grammar
4.161 Extension Allow in
procedures, etc. Clause 11.12.2.3: Stop
4.162 Clerical error Sort of
return Clause 11.12.2.4: Return, Abstract grammar
4.163 Clerical errors PR and GR
consistency Clause 11.12.2.4: Return, Concrete grammars
4.164 Clerical error Sort of
return Clause 11.12.2.4: Return, Concrete graphical grammar
4.165 Clerical error Sort of return Clause 11.12.2.4: Return,
Semantics
4.166 Clerical error Exception
handling Clause 11.13.1: Task, Concrete textual grammar
4.167 Clarification and
modification Clause 11.13.1: Task
4.168 Clerical error Exception handling Clause 11.13.2: Create,
Concrete textual grammar
4.169 Clarification Static
determination of instance sets 11.13.2, Create, Model
4.170 Clerical error
Operation/procedure inconsistency Clause 11.13.3: Procedure call,
Abstract grammar
4.171 Clerical error Exception
handling Clause 11.13.3: Procedure call, Concrete textual grammar
4.172 Clerical error
Operation/procedure inconsistency Clause 11.13.3: Procedure call,
Semantics
4.173 Clerical error Exception
handling Clause 11.13.4: Output, Concrete textual grammar
4.174 Extension Inline data
types Clause 11.13.4: Output, Concrete textual grammar
4.175 Error correction Evaluation
of decision answers Clause 11.13.5: Decision
4.176 Clarification
<terminator/action statement> to <terminator/action> Clause
11.13.5: Decision, Concrete textual grammar
4.177 Error correction Evaluation
of decision answers Clause 11.13.5: Decision
4.178 Clerical error Wrong
syntax Clause 11.13.5: Decision, Model
4.179 Extension Allow in
procedures, etc. Clause 11.14: Statement list, Concrete textual grammar
4.180 Clerical error Align with
Annex F Clause 11.14.1: Compound statement, Abstract grammar
4.181 Clerical error Incorrect
model Clause 11.14.1: Compound statement, Model
4.182 Error correction Allow
remote procedure Clause 11.14.2: Transition actions and terminators as
statements, Concrete textual grammar
4.183 Clarification <action
statement> to <action> Clause 11.14.2: Transition actions and
terminators as statements
4.184 Clerical error Exception
handling Clause 11.14.2: Transition actions and terminators as
statements, Concrete textual grammar
4.185 Extension Allow stop in
procedures, etc. Clause 11.14.2: Transition actions and terminators as
statements
4.186 Clarification Clause
11.14.4: If statement, Model
4.187 Clerical error Clause
11.14.5: Decision statement
4.188 Clerical error
Keyword Clause 11.14.6: Loop statement, Concrete textual grammar
4.189 Clerical error Clause
11.14.9: Exception statement, Concrete textual grammar
4.190 Clerical error Exception
handling Clause 11.15: Timer, Concrete textual grammar
4.191 Clerical error Exception
handling Clause 11.16.2: On-exception, Concrete textual grammar
4.192 Clarification <action
statement> to <action> Clause 11.16.3: Handle, Model
4.193 Clerical error Missing
parts, align with Annex F Clause 12.1: Data definition, Abstract grammar
4.194 Extension Inline data
types Clause 12.1: Data definitions, Concrete textual grammar
4.195 Error correction Value/object
for anchored sort Clause 12.1: Data definitions, Concrete textual
grammar
4.196 Extension Inline data
types Clause 12.1: Data definitions, Model
4.197 Clarification Clause 12.1.1: Data type definition
4.198 Syntax error
<end> Clause 12.1.1: Data type definitions, Concrete textual
grammar
4.199 Clerical error Missing
context parameters Clause 12.1.1: Data type definitions, Concrete
textual grammar
4.200 Clarification Clause 12.1.1:
Data type definitions, Concrete textual grammar
4.201 Clarification Clause
12.1.1: Data type definitions, Concrete graphical grammar
4.202 Clerical error Extra vertical
bars Clause 12.1.2: Interface definition, Concrete textual grammar
4.203 Clerical error Missing
context parameters Clause 12.1.2: Interface definition, Concrete textual
grammar
4.204 Clarification Clause
12.1.2: Interface definition, Concrete graphical grammar
4.205 Clarification
Interfaces Clause 12.1.2: Interface definition, Semantics
4.206 Clarification Implicit
interface Clause 12.1.2: Interface definition, Model
4.207 Clerical error Align with
Annex F Clause 12.1.4: Operations, Abstract grammar
4.208 Clerical error Syntax
ambiguity Clause 12.1.4: Operations, Concrete textual grammar
4.209 Clerical error Placement of
text Clause 12.1.5: Any
4.210 Clarification Implicit
interfaces Clause 12.1.6: Pid and pid sorts, Semantics
4.211 Clerical error Clause
12.1.7.3: Choice data types, Model
4.212 Clerical error Optional
sorts Clause 12.1.8: Behaviour of operations, Concrete graphical grammar
4.213 Clerical error Clause
12.1.8: Behaviour of operations, Semantics
4.214 Extension Range sign
Clause 12.1.9.1: Name class, Concrete textual grammar
4.215 Syntax error
<end> Clause 12.1.9.4: Syntypes, Concrete textual grammar
4.216 Clerical error Omitted
alternative Clause 12.1.9.4: Syntypes, Concrete textual grammar
4.217 Modification Parsing
difficulty Clause 12.1.9.4: Syntypes, Concrete textual grammar
4.218 Clerical error Ambiguity Clause
12.1.9.4: Syntypes, Concrete textual grammar
4.219 Extension Range sign
Clause 12.1.9.5: Constraint, Concrete textual grammar
4.220 Clerical error Clause
12.1.9.6: Synonym definition, Concrete textual grammar
4.221 Clerical error Clause
12.2.1: Expressions, Abstract grammar
4.222 Extension Inline data
types Clause 12.2.1: Expressions, Concrete textual grammar
4.223 Clerical error Clause 12.2.1: Expressions,
Concrete textual grammar
4.224 Clerical error Spurious
sentence Clause 12.2.7: Operation application, Concrete textual grammar
4.225 Clarification Parameter
handling Clause 12.2.7: Operation application, Semantics
4.226 Error correction Restriction on
parameters Clause 12.2.7: Operation application, Model
4.227 Error correction Rules too
restrictive for data initialization Clause 12.3.1: Variable definition
4.228 Syntax error <end>
Clause 12.3.3.2: Default initialization, Concrete textual grammar
4.229 Clerical error Clause
12.3.4.6: State expression
4.230 Clerical error Omitted and
duplicated items Clause 13.1: Optional definition, Concrete textual grammar
4.231 Clarification Clause 13.1:
Optional definition, Concrete textual grammar
4.232 Clarification <action
statement> to <action> Clause 13.2: Optional transition string,
Model
4.233 Clarification <terminator
statement> to <terminator> Clause 13.2: Optional transition
string, Model
4.234 Clerical error Quantification keyword Clause
D.2.1: Axioms, Concrete textual grammar
4.235 Clarification Remove implicit
quantification Clause D.2.1: Axioms, Concrete textual grammar
4.236 Clarification Informal text not
used Clause D.2.1: Axioms, Semantics
4.237 Clarification Remove implicit quantification
Clause D.2.1: Axioms, Semantics
4.238 Clarification Case of
operator names Clause D.3: Package predefined
4.239 Clerical error Missing
inherits Clause D.3.13.2: Usage
4.240 Clerical error Upper and
lower case keywords Appendix III
4.241 Clarifications Appendix III
4.242 Clarifications Appendix III