Op 28-02-17 om 04:39 schreef Martijn Dekker:
> Op 28-02-17 om 00:17 schreef Martijn Dekker:
>> Here is a version that does that, and removes '=' and '!' from the list
>> of shell-safe characters. This should fix all the issues you were
>> reporting, hopefully making the xtrace output completely safe for shell
>> re-entry. It introduces a new function is_kwd() that checks if a string
>> is identical to a shell keyword/reserved word.
>>
>> Attached are two patches: one incremental to my previous one, and one
>> against pristine dash 0.5.9.1.
> 
> There's a bug in my code. Empties need to be quoted, or they'll
> disappear. A simple check for the first character being null fixes it.
> 
> Once again, one incremental patch against v2, one against pristine dash
> 0.5.9.1.

My is_kwd() function was redundant; findkwd() already exists. Take
four... and sorry for the noise.

- M.