Fix a few problems for :find completion.  Test much more. (Nazri Ramliy)
diff --git a/src/ex_getln.c b/src/ex_getln.c
index 790d531..8a18a4c 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -5045,15 +5045,16 @@
     {
 	/* Copy one item of the path to buf[] and concatenate the file name. */
 	copy_option_part(&path, buf, MAXPATHL, ",");
-	if (path_with_url(buf))
-	    continue;
-	/*
-	 * FIXME: should we proactively skip 'path' with limiter (/usr/ **N)
-	 * and upward search (;) notations, just like we did with url above?
-	 */
 	if (STRLEN(buf) + STRLEN(file) + 2 < MAXPATHL)
 	{
+# ifdef WIN3264
+	    /* Using the platform's path separator (\) makes vim incorrectly
+	     * treat it as an escape character, use '/' instead. */
+	    if (*buf != NUL && !after_pathsep(buf, buf + STRLEN(buf)))
+		STRCAT(buf, "/");
+# else
 	    add_pathsep(buf);
+# endif
 	    STRCAT(buf, file);
 	    if (ExpandFromContext(&xpc, buf, &num_p, &p,
 			     WILD_SILENT|expand_options) != FAIL && num_p > 0)
diff --git a/src/misc1.c b/src/misc1.c
index c8fb8eb..ef7c10c 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -9337,6 +9337,8 @@
 	}
 	else if (buf[0] == NUL) /* relative to current directory */
 	    STRCPY(buf, curdir);
+	else if (path_with_url(buf))
+	    continue;
 	else if (!mch_isFullName(buf))
 	{
 	    /* Expand relative path to their full path equivalent */
diff --git a/src/testdir/test73.in b/src/testdir/test73.in
index 8928aeb..706c379 100644
--- a/src/testdir/test73.in
+++ b/src/testdir/test73.in
@@ -1,23 +1,99 @@
 Tests for find completion.
 
 STARTTEST
+:" Do all test in a separate window to avoid E211 when we recursively
+:" delete the Xfind directory during cleanup
+:"
+:" This will cause a few errors, do it silently.
+:set visualbell
+:"
+:function! DeleteDirectory(dir)
+: if has("win16") || has("win32") || has("win64")
+:  exec "silent !rmdir /Q /S " . a:dir
+: else
+:  exec "silent !rm -rf " . a:dir
+: endif
+:endfun
+:" On windows a stale "Xfind" directory may exist, remove it so that
+:" we start from a clean state.
+:call DeleteDirectory("Xfind")
+:set nocp
+:new
+:let cwd=getcwd()
 :!mkdir Xfind
-:!mkdir Xfind/in
-:!mkdir Xfind/in/path
+:cd Xfind
+:set path=
+:find 	
+:w! ../test.out
+:close
+:new
+:set path=.
+:find 	
+:w >>../test.out
+:close
+:new
+:set path=.,,
+:find 	
+:w >>../test.out
+:close
+:new
+:set path=./**
+:find 	
+:w >>../test.out
+:close
+:new
+:" We shouldn't find any file at this point, ../test.out must be empty.
+:!mkdir in
+:cd in
+:!mkdir path
+:exec "cd " . cwd
 :e Xfind/file.txt
 SHoly Grail:w
 :e Xfind/in/file.txt
 SJimmy Hoffa:w
+:e Xfind/in/stuff.txt
+SAnother Holy Grail:w
 :e Xfind/in/path/file.txt
 SE.T.:w
 :set path=Xfind/**
-:set nocp
 :find file	
-:w! test.out
+:w >> test.out
 :find file		
 :w >>test.out
 :find file			
 :w >>test.out
+:" Rerun the previous three find completions, using fullpath in 'path'
+:exec "set path=" . cwd . "/Xfind/**"
+:find file	
+:w >> test.out
+:find file		
+:w >>test.out
+:find file			
+:w >>test.out
+:" Same steps again, using relative and fullpath items that point to the same
+:" recursive location.
+:" This is to test that there are no duplicates in the completion list.
+:exec "set path+=Xfind/**"
+:find file	
+:w >> test.out
+:find file		
+:w >>test.out
+:find file			
+:w >>test.out
+:find file		
+:" Test find completion for directory of current buffer, which at this point
+:" is Xfind/in/file.txt.
+:set path=.
+:find st	
+:w >> test.out
+:" Test find completion for empty path item ",," which is the current directory
+:cd Xfind
+:set path=,,
+:find f		
+:w >> ../test.out
+:cd ..
+:q
+:call DeleteDirectory("Xfind")
 :qa!
 ENDTEST
 
diff --git a/src/testdir/test73.ok b/src/testdir/test73.ok
index bf1d433..cd787f2 100644
--- a/src/testdir/test73.ok
+++ b/src/testdir/test73.ok
@@ -1,3 +1,11 @@
 Holy Grail
 Jimmy Hoffa
 E.T.
+Holy Grail
+Jimmy Hoffa
+E.T.
+Holy Grail
+Jimmy Hoffa
+E.T.
+Another Holy Grail
+Holy Grail