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"Copyright ©1986 owned by the United States Government as represented by the Under Secretary of Defense, Research and Engineering. All rights reserved. Permission to publish must be obtained from the Ada Joint Program Office, OUSDRE(R&AT), The Pentagon, Washington, D.C. 20301, U.S.A."
Direct inquiries to the Ada Information Clearinghouse at adainfo@sw-eng.falls-church.va.us.
During conversion a number of errors involving one or two characters were found in the parent ASCII version. The nature of some of these errors suggested that the parent ASCII version had been subjected to a computer-to-computer transfer without the benefit of error checking. Other errors appear to have been introduced when the ASCII version was "wrapped" indiscriminately, in some cases affecting the syntactical correctness of examples. Every effort was made to correct these errors where the intended text was unambiguous; a very few remaining errors were marked as such so as not to mislead the reader.
A first version appeared in 1978 as the Rationale for the Green programming language, and this was revised in 1979 at the time that Green was finally selected as Ada. The purpose of these documents was to explain the motivation for the language design, and to justify and defend its position against the other competitive languages and the Ironman (later Steelman) requirements. No corresponding document was written in 1980 when Ada was proposed as a standard, nor in january when Ada finally became both an ANSI and Military Standard. The present version completes and revises a draft issued in January 1984 and which was the subject of public review.
[Original list of files:]
File Size RATL-C4.HLP 43159 RATL-NX2.HLP 1317 RATL-CVR.HLP 672 RATL-NX1.HLP 1366 RATL-C1.HLP 2899 RATL-BIB.HLP 6874 RATL-TOC.HLP 5097 RATL-C2.HLP 11792 RATL-C8.HLP 15462 RATL-C6.HLP 14757 RATL-C16.HLP 17161 RATL-C3.HLP 17968 RATL-C10.HLP 18477 RATL-C11.HLP 21332 RATL-C7.HLP 19977 RATL-C15.HLP 21610 RATL-C9.HLP 21048 RATL-C14.HLP 20921 RATL-C5.HLP 27752 RATL-C12.HLP 27863 RATL-C13.HLP 39371 ERRATA.HLP 6227
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1, line 3 Ada programming language, Ada Programming Language
(ANSI/MIL-STD-1815A),
57, line 14 (8,1,1,1,1) (1,1,8,1,1)
65, line 26 requires require
89, line 7 one negative one extra negative
97, line 35 above the decimal before the decimal
97, line 36 below the decimal after the decimal
126, lines 12 to 14 :=0; :=0.0;
176, lines 37 to 38 division declared in the construction declared
visible part with two in the visible part
parameters of type with two parameters,
INTEGER. Hence the integer one of type INTEGER
literals 3 and 31 are and one of type
implicitly converted to POSITIVE. Hence the
this type and the division integer literals 3 and
is applied 31 are implicitly
converted to the
respective type and
the construction is
applied.
195, line 31 program procedure
218, line 22 to 23 named common "named COMMON"
220, line 1 following example: following example:
procedure DEMO is
220, line 27 end P; end P;
begin
...
end DEMO.
221, line 26 variable in object that contains
226, line 20 two integers one integer and one
positive number,
233, line 11 (LEFT, RIGHT: INTEGER) (LEFT: INTEGER; RIGHT:
POSITIVE)
248, line 28 (E); E;
250, line 12 limited private limited private;
250, line 19 BOOLEAN BOOLEAN;
252, line 17 -- default maximum length -- default maximum length
-- where the type REAL is any
-- properly declared real type
265, line 28 X, X
318, line 9 SINGULAR: exception; SINGULAR: exception;
... --declaration of
procedures READ and PRINT
used below
...
320, line 20 function DIVISION (A, B: function DIVISION (A, B:
REAL) return REAL is REAL) return REAL is
--the type REAL is any
--properly declared real type
323, line 1 procedure APPLICATION is with TABLE_MANAGER;
procedure APPLICATION is
328, line 19 SOME_ITEM THING
328, line 21 out ITEM in out ITEM
330, lines 27 to 28 when NAME_ERROR=> null; when NAME_ERROR => null;
end; end;
333, add at top -- Assume that all that follows in the same
-- declarative region of some enclosing procedure
354, line 5 this wretched data type this data type
358, line 3 and 28 set system mask set system mask
360, lines 12 to 15 generic generic
type SOURCE is limited type SOURCE is limited
private; private;
type TARGET is limited type TARGET is limited
private; private;
function function
360, line 15 TARGET; A program TARGET;
A program
370, line 6 FILE_MODE FILE_TYPE
370, line 11 limited; this limited. This
371. insert after
line 18 The procedure SET_INDEX sets the current index of the
given index value, which may exceed the current size
of the file. If the given index value exceeds the
current size of the file, item-sized "gaps" will
occur which are undefined items.
371, lines 19 to 20 index value and SET_INDEX index value. The function
enables it to be set. The SIZE gives the number of
function SIZE gives the items in the file, which
number of items in the file includes both defined and
(defined or undefined). undefined items.
376 line 26 We have we have: