bug#23179: 25.0.92; Restore `M-,' to continue etags search

[Dmitry Gutov]

On 07.04.2019 00:12, Juri Linkov wrote:

>    M-x project-search
>
>      1. can't use M-n to get the default value such as a word under point
>         like project-find-regexp does

fileloop-initialize-search could set up next-error-function, I suppose.

>    M-x fileloop-continue
>
>      2. its name prefix is inconsistent with the prefix of its
>         counterpart command project-search

It doesn't have to. fileloop-continue is intended to be used with 
different commands (e.g. some with dired- prefix as well).

>      3. no keybinding

There's no keybinding for project-search either. The user is welcome to 
choose some.

>    M-x project-find-regexp
>
>      4. shouldn't it support an optional more compact grep-like output
>         layout as well (where file names are on the same line with matches)?

You can implement that via a custom xref-show-xrefs-function. Not 
trivial, but not a huge amount of work either.