David Burgin wrote:
> On Thursday, August 6, 2015 at 6:25:39 PM UTC+2, Charles Campbell wrote:
> > Christian Brabandt wrote:
> > > Hi Olaf!
> > >
> > > On Mi, 05 Aug 2015, Olaf Hering wrote:
> > >
> > >> Since some time cycling through variables in a shell file with the
> > >> asterisk '*' key is broken for me. In the simple example like that:
> > >>
> > >> var="val"
> > >> echo "$var.whatever"
> > >>
> > >> I was able to move cursor to "var=", hit "*" and saw all "var" strings
> > >> highlighted. Recently that broken, only the assignment in above example
> > >> is highlighted. If I put curly braces around the usage of "var" it gets
> > >> highlighted as well. But if I move to "whatever" then "var.whatever" is
> > >> highlighted. Surely thats wrong, "var.whatever" is not a word.
> > >>
> > >> After some poking I found that iskeyword= is likely the knob to change.
> > >> First I did a test with a C file, like:
> > >>
> > >> struct var var;
> > >> var.var = 0;
> > >>
> > >> Oddly enough, each "var" is highlighted right away, witout the dot. So
> > >> it must be something special with files ending in ".sh". Even in this
> > >> mail each "var" is highlighted, without the dot itself.
> > >>
> > >> Looking through the files provided by the vim.rpm I dont spot the place
> > >> where also the dot is considered a word.
> > >>
> > >> Why does that happen for shell files?
> > >> Why would that behaviour desirable?
> > > Use
> > >
> > > :verbose set iskeyword?
> > >
> > > to find out, where it was last modified. I did so and it told me, it was
> > > set by syntax/sh.vim
> > >
> > > Looking into the corresponding syntax file, I find this:
> > >
> > > ,----[ syntax/sh.vim ]-
> > > | " AFAICT "." should be considered part of the iskeyword. Using iskeywords in
> > > | " syntax is dicey, so the following code permits the user to
> > > | " g:sh_isk set to a string : specify iskeyword.
> > > | " g:sh_noisk exists : don't change iskeyword
> > > | " g:sh_noisk does not exist : (default) append "." to iskeyword
> > > | if exists("g:sh_isk") && type(g:sh_isk) == 1 " user specifying iskeyword
> > > | exe "setl isk=".g:sh_isk
> > > | elseif !exists("g:sh_noisk") " optionally prevent appending '.' to iskeyword
> > > | setl isk+=.
> > > | endif
> > > `----
> > >
> > > So simply put into your .vimrc:
> > >
> > > :let g:sh_noisk=1
> > >
> > One could always take the radical step of reading the help: :help
> > ft-sh-syntax !
>
> I've also run into this now after upgrading my system. With "." in
> 'iskeyword', editing shell scripts is less fun. I cannot use word
> motions like w b as effectively any more, and * and # don't do what they
> usually do in other file types.
>
> I find the change frustrating, and this one-line response by the
> maintainer is especially disappointing. Why weren't the users asked
> before making a potentially disruptive change? I imagine most people
> working with shell scripts will now need to add "g:sh_noisk = 1" to
> their personal config for no good reason.
>
> Good defaults are important. I believe it would be best to revert the
> change and not add "." to 'iskeyword'.
I don't see a keyword in this syntax file that has a dot. That would be
a valid reason for a syntax file to change 'iskeyword'.
Setting 'iskeyword' does not really belong in a syntax file. It's best
left alone, but if a language really has a different kind of keyword it
should be set in the filetype plugin.
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