commit 174674743d9a2d7361c9cd89836f8dd8651edeeb
author Bram Moolenaar <Bram@vim.org> Tue Nov 10 17:50:24 2015 +0100
committer Bram Moolenaar <Bram@vim.org> Tue Nov 10 17:50:24 2015 +0100
tree cc9bee4c0a351541dd3ddfc1a236420c5f0df757
parent 98b30a473a58ae98c280e0383c8b1e08c0ebced5

patch 7.4.915
Problem:    When removing from 'path' and then adding, a comma may go missing.
            (Malcolm Rowe)
Solution:   Fix the check for P_ONECOMMA. (closes #471)

src/testdir/test_options.in

diff --git a/src/testdir/test_options.in b/src/testdir/test_options.in
index bf1232a..6e56fa2 100644
--- a/src/testdir/test_options.in
+++ b/src/testdir/test_options.in
@@ -10,6 +10,12 @@
 :endtry
 :buf 1
 :$put =caught
+:"
+:" Test that changing 'path' keeps two commas.
+:set path=foo,,bar
+:set path-=bar
+:set path+=bar
+:$put =&path
 :/^result/,$w! test.out
 :qa!
 ENDTEST