Patch 8.2.1064
Problem:    Vim9: no line break allowed before comperators.
Solution:   Check for comperator after line break.
Files:      src/eval.c, src/testdir/test_vim9_expr.vim


*** ../vim-8.2.1063/src/eval.c  2020-06-26 21:38:48.139342910 +0200
--- src/eval.c  2020-06-26 21:54:18.728931481 +0200
***************
*** 2191,2196 ****
--- 2191,2197 ----
  {
      typval_T  var2;
      char_u    *p;
+     int               getnext;
      int               i;
      exptype_T type = EXPR_UNKNOWN;
      int               len = 2;
***************
*** 2202,2208 ****
      if (eval5(arg, rettv, evalarg) == FAIL)
        return FAIL;
  
!     p = *arg;
      switch (p[0])
      {
        case '=':   if (p[1] == '=')
--- 2203,2209 ----
      if (eval5(arg, rettv, evalarg) == FAIL)
        return FAIL;
  
!     p = eval_next_non_blank(*arg, evalarg, &getnext);
      switch (p[0])
      {
        case '=':   if (p[1] == '=')
***************
*** 2247,2252 ****
--- 2248,2256 ----
       */
      if (type != EXPR_UNKNOWN)
      {
+       if (getnext)
+           *arg = eval_next_line(evalarg);
+ 
        // extra question mark appended: ignore case
        if (p[len] == '?')
        {
*** ../vim-8.2.1063/src/testdir/test_vim9_expr.vim      2020-06-26 
21:38:48.139342910 +0200
--- src/testdir/test_vim9_expr.vim      2020-06-26 21:59:11.212146541 +0200
***************
*** 529,534 ****
--- 529,571 ----
    let x = 1
  enddef
  
+ def Test_expr4_vimscript()
+   " only checks line continuation
+   let lines =<< trim END
+       vim9script
+       let var = 0
+                       < 1
+       assert_equal(1, var)
+   END
+   CheckScriptSuccess(lines)
+ 
+   lines =<< trim END
+       vim9script
+       let var = 123
+                       != 123
+       assert_equal(0, var)
+   END
+   CheckScriptSuccess(lines)
+ 
+   lines =<< trim END
+       vim9script
+       let list = [1, 2, 3]
+       let var = list
+                       is list
+       assert_equal(1, var)
+   END
+   CheckScriptSuccess(lines)
+ 
+   lines =<< trim END
+       vim9script
+       let myblob = 0z1234
+       let var = myblob
+                       isnot 0z11
+       assert_equal(1, var)
+   END
+   CheckScriptSuccess(lines)
+ enddef
+ 
  func Test_expr4_fails()
    let msg = "white space required before and after '>'"
    call CheckDefFailure(["let x = 1>2"], msg)
*** ../vim-8.2.1063/src/version.c       2020-06-26 21:38:48.139342910 +0200
--- src/version.c       2020-06-26 22:00:12.667980966 +0200
***************
*** 756,757 ****
--- 756,759 ----
  {   /* Add new patch number below this line */
+ /**/
+     1064,
  /**/

-- 
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each week -- on Saturday night.
                [real standing law in Vermont, United States of America]

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