fix(usercmd): also check for whitespace after escaped character (#19942)

2 files changed, 8 insertions, 8 deletions

diff --git a/src/nvim/usercmd.c b/src/nvim/usercmd.c
index 59b8d10200..e130db69f2 100644
--- a/src/nvim/usercmd.c
+++ b/src/nvim/usercmd.c
@@ -1061,11 +1061,11 @@ bool uc_split_args_iter(const char *arg, size_t arglen, size_t *end, char *buf,
       buf[l++] = arg[++pos];
     } else {
       buf[l++] = arg[pos];
-      if (ascii_iswhite(arg[pos + 1])) {
-        *end = pos + 1;
-        *len = l;
-        return false;
-      }
+    }
+    if (ascii_iswhite(arg[pos + 1])) {
+      *end = pos + 1;
+      *len = l;
+      return false;
     }
   }
 
diff --git a/test/functional/api/command_spec.lua b/test/functional/api/command_spec.lua
index 890710b6e6..440e93da0e 100644
--- a/test/functional/api/command_spec.lua
+++ b/test/functional/api/command_spec.lua
@@ -114,8 +114,8 @@ describe('nvim_create_user_command', function()
     ]]
 
     eq({
-      args = [[this is    a\ test]],
-      fargs = {"this", "is", "a test"},
+      args = [[this\  is    a\ test]],
+      fargs = {"this ", "is", "a test"},
       bang = false,
       line1 = 1,
       line2 = 1,
@@ -144,7 +144,7 @@ describe('nvim_create_user_command', function()
       count = 2,
       reg = "",
     }, exec_lua [=[
-      vim.api.nvim_command([[CommandWithLuaCallback this is    a\ test]])
+      vim.api.nvim_command([[CommandWithLuaCallback this\  is    a\ test]])
       return result
     ]=])