Add option for cljfmt-compatible indenting for some forms (#23)

Resolves: #22

Author: jsn

doc/clojure.txt

@@ -113,6 +113,14 @@ clojure-mode.el:
 	 baz)
 <
 
+						  *g:clojure_cljfmt_compat*
+
+Try to be (more) compatible with `cljfmt` Clojure code formatting tool. Turns
+on single space indenting for forms starting with `:keywords`, `'symbols`,
+`#'variables` and `@dereferences` (it affects, for instance, `(:require ...)`
+clause in Clojure `ns` form).
+
+
 CLOJURE							*ft-clojure-syntax*
 
 						*g:clojure_syntax_keywords*

indent/clojure.vim

@@ -51,6 +51,10 @@ if exists("*searchpairpos")
 		let g:clojure_align_subforms = 0
 	endif
 
+	if !exists('g:clojure_cljfmt_compat')
+		let g:clojure_cljfmt_compat = 0
+	endif
+
 	function! s:syn_id_name()
 		return synIDattr(synID(line("."), col("."), 0), "name")
 	endfunction
@@ -322,9 +326,16 @@ if exists("*searchpairpos")
 				return [paren[0], paren[1] + (g:clojure_align_subforms ? 0 : &shiftwidth - 1)]
 			elseif w[1] == '_'
 				return paren
+			elseif w[1] == "'" && g:clojure_cljfmt_compat
+				return paren
 			endif
 		endif
 
+		" Paren indent for keywords, symbols and derefs
+		if g:clojure_cljfmt_compat && w[0] =~# "[:@']"
+			return paren
+		endif
+
 		" Test words without namespace qualifiers and leading reader macro
 		" metacharacters.
 		"