Re: Issues with history substitution and its documentation

[Chet Ramey]

On 11/3/19 9:18 AM, Jim Monte wrote:
> Two more documentation issues I have found are below.
>
> It appears that an empty substring event designator uses the string of the
> previous substring event designator if none is provided and does not find
> the event if there is no previous string.

Thanks for the report. I'll add text documenting the behavior. (FWIW, csh
doesn't document it, either.)


> An empty "old" string in a substitute word modifier uses the previous "old"
> if none is given, but uses an empty string if new is empty. If there was no
> previous "old" string, an error is reported.

As I said in a previous message, this is documented in the man page but
omitted in the texinfo manual.


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/