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ID Category Severity Type Date Submitted Last Update
0001833 [1003.1(2016/18)/Issue7+TC2] Base Definitions and Headers Comment Omission 2024-06-11 16:19 2024-06-13 15:30
Reporter Antonio Diaz View Status public  
Assigned To
Priority normal Resolution Accepted As Marked  
Status Resolved  
Name Antonio Diaz
Organization GNU
User Reference
Section 12.1 Utility Argument Syntax
Page Number ?
Line Number ?
Interp Status ---
Final Accepted Text Note: 0006816
Summary 0001833: Ambiguity about empty string used as option-argument
Description The second sentence of item 2a precludes the use of the empty string as an option-argument. [-p <string>] and [-p<string>] are equivalent only if <string> is not the empty string. [-p ""] and [-p""] are not equivalent.

The ambiguity of the single-argument case can be solved by appending "unless the option-argument is the empty string" at the end of the second sentence of item 2a.

In other words, the <blank> character separating option and option-argument is optional, unless the option-argument is the empty string.
Desired Action Change the second sentence of item 2a from this:

However, a conforming implementation shall also permit applications to specify the option and option-argument in the same argument string without intervening <blank> characters.

to this:

However, a conforming implementation shall also permit applications to specify the option and option-argument in the same argument string without intervening <blank> characters unless the option-argument is the empty string.
Tags tc1-2024
Attached Files

- Relationships

-  Notes
(0006811)
steffen (reporter)
2024-06-11 21:47

Whereas i think Antonio is right, i want to point out that the "Base Definitions" make an implicit difference in between "String" and "Empty String" aka "Null String".
If plain "String" aka

  A contiguous sequence of bytes terminated by and including the first null byte.

would also mean "Empty String" i would be afraid of consequences for many wordings in the document (group names "can be empty" etc; "reproduceability", so to say).

But i think, if the core developers agree with my reading, that the definition of "String" itself should possibly refer to "Empty String" (aka "Null String") explicitly. Or be more verbose in general.
(0006816)
geoffclare (manager)
2024-06-13 15:29

Change:
However, a conforming implementation shall also permit applications to specify the option and option-argument in the same argument string without intervening <blank> characters.

to:
However, a conforming implementation shall also permit applications to specify the option and a non-empty option-argument in the same argument string without intervening <blank> characters.

- Issue History
Date Modified Username Field Change
2024-06-11 16:19 Antonio Diaz New Issue
2024-06-11 16:19 Antonio Diaz Name => Antonio Diaz
2024-06-11 16:19 Antonio Diaz Organization => GNU
2024-06-11 16:19 Antonio Diaz Section => 12.1 Utility Argument Syntax
2024-06-11 16:19 Antonio Diaz Page Number => ?
2024-06-11 16:19 Antonio Diaz Line Number => ?
2024-06-11 16:28 Antonio Diaz Issue Monitored: Antonio Diaz
2024-06-11 21:47 steffen Note Added: 0006811
2024-06-13 15:29 geoffclare Note Added: 0006816
2024-06-13 15:30 geoffclare Interp Status => ---
2024-06-13 15:30 geoffclare Final Accepted Text => Note: 0006816
2024-06-13 15:30 geoffclare Status New => Resolved
2024-06-13 15:30 geoffclare Resolution Open => Accepted As Marked
2024-06-13 15:31 geoffclare Tag Attached: tc1-2024
2024-08-15 19:50 salewski Issue Monitored: salewski


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