On 31/03/13 17:24, Dotan Cohen wrote:
On Sat, Mar 23, 2013 at 12:58 AM, Paul Isambert <[email protected]> wrote:
I notice that some settings use the format ':set name=value' and other
use ':name value'. For instance:
:set syntax=php
:syntax off
Note that ":syntax php" doesn't work.
Can the string 'set ' always be safely elided?
No.
If not, then what are the guidelines?
As far as I can tell, there aren't any. Some commands have the same name as
options (e.g. :filetype and 'filetype', :confirm and 'confirm'), but they don't
do the same things.
Best,
Paul
I notice that the following doesn't work:
:syntax php
However the following does work:
:colorscheme desert
Why is "syntax" an option yet "colorscheme" a command?
--
Dotan Cohen
http://gibberish.co.il
http://what-is-what.com
There is both a :syntax command and a 'syntax' option, and they are not
interchangeable: The command can be:
:syntax on
:syntax off
:syntax enable
:syntax list " with optional arguments
:syntax sync fromstart
:syntax sync clear
:syntax sync ccomment
" also other variants
:syntax sync " with no arguments: "tell me"
etc. Most of the variants of this command are for use in syntax scripts,
to define how the particular syntax of a certain filetype must be
highlighted. ":syntax on" can be used in your vimrc to enable syntax
highlighting. ":syntax sync" with no arguments and ":syntax list" are
used from the keyboard, to request information.
The 'syntax' option is something else: it defines which named syntax
applies to a given file. It can be set, usually by ":setlocal"; normally
this is done automatically as part of the FileType event handling. You
can also do it manually, for instance
:setlocal syntax=
to remove all syntax highlighting for one editfile only, until it is
reloaded.
As for the :colorscheme command, ":colorscheme foobar" is approximately
equivalent with (IIUC) ":doautocmd ColorScheme foobar | runtime
colors/foobar.vim" which is also a command. If you want to determine
which colorscheme is in use, you should check the global variable
colors_name which every properly constructed colorscheme will set to its
own filename (without the path and the .vim extension). You can do that
with ":colorscheme" with no argument, which (in a Vim with +eval
compiled-in) does something similar to ":if exists('g:colors_name') |
echo g:colors_name | else | echo 'default' | endif", another command.
Best regards,
Tony.
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