Update specs for strict unary deprecation (#1823)

Closes #1792

spec/libsass-closed-issues/issue_1739/basic.hrx

@@ -1,3 +1,7 @@
+<===> options.yml
+:ignore_for:
+  - libsass
+
 <===> input.scss
 div {
   baz: 2/3;
@@ -104,3 +108,23 @@ mod {
   baz: 2;
   baz: 2;
 }
+
+<===> warning
+DEPRECATION WARNING on line 11, column 8 of input.scss: 
+This operation is parsed as:
+
+    2 + 3
+
+but you may have intended it to mean:
+
+    2 (+3)
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: 2  +3;
+   |        ^^^^^
+   '

spec/libsass-closed-issues/issue_1739/interpolate/both.hrx

@@ -39,9 +39,66 @@ mod {
   baz: #{1  %  2}  %  #{1  %  2};
 }
 <===> error
+DEPRECATION WARNING on line 11, column 10 of input.scss: 
+This operation is parsed as:
+
+    1 + 2
+
+but you may have intended it to mean:
+
+    1 (+2)
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: #{1  +2}  +#{1  +2};
+   |          ^^^^^
+   '
+
+DEPRECATION WARNING on line 11, column 21 of input.scss: 
+This operation is parsed as:
+
+    1 + 2
+
+but you may have intended it to mean:
+
+    1 (+2)
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: #{1  +2}  +#{1  +2};
+   |                     ^^^^^
+   '
+
+DEPRECATION WARNING on line 11, column 8 of input.scss: 
+This operation is parsed as:
+
+    #{1 + 2} + #{1 + 2}
+
+but you may have intended it to mean:
+
+    #{1 + 2} (+#{1 + 2})
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: #{1  +2}  +#{1  +2};
+   |        ^^^^^^^^^^^^^^^^^^^
+   '
+
 Error: Undefined operation "2 * 2".
    ,
-23 |   baz: #{1*2}*#{1*2};
+23 |   baz: #{1*2}*#{1*2};
    |        ^^^^^^^^^^^^^
    '
   input.scss 23:8  root stylesheet

spec/libsass-closed-issues/issue_1739/interpolate/left.hrx

@@ -39,9 +39,47 @@ mod {
   baz: #{1  %  2}  %  3;
 }
 <===> error
+DEPRECATION WARNING on line 11, column 10 of input.scss: 
+This operation is parsed as:
+
+    1 + 2
+
+but you may have intended it to mean:
+
+    1 (+2)
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: #{1  +2}  +3;
+   |          ^^^^^
+   '
+
+DEPRECATION WARNING on line 11, column 8 of input.scss: 
+This operation is parsed as:
+
+    #{1 + 2} + 3
+
+but you may have intended it to mean:
+
+    #{1 + 2} (+3)
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: #{1  +2}  +3;
+   |        ^^^^^^^^^^^^
+   '
+
 Error: Undefined operation "2 * 3".
    ,
-23 |   baz: #{1*2}*3;
+23 |   baz: #{1*2}*3;
    |        ^^^^^^^^
    '
   input.scss 23:8  root stylesheet

spec/libsass-closed-issues/issue_1739/interpolate/right.hrx

@@ -39,9 +39,47 @@ mod {
   baz: 3 %  #{1  %  2};
 }
 <===> error
+DEPRECATION WARNING on line 11, column 14 of input.scss: 
+This operation is parsed as:
+
+    1 + 2
+
+but you may have intended it to mean:
+
+    1 (+2)
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: 3  +#{1  +2};
+   |              ^^^^^
+   '
+
+DEPRECATION WARNING on line 11, column 8 of input.scss: 
+This operation is parsed as:
+
+    3 + #{1 + 2}
+
+but you may have intended it to mean:
+
+    3 (+#{1 + 2})
+
+Add a space after + to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+   ,
+11 |   baz: 3  +#{1  +2};
+   |        ^^^^^^^^^^^^
+   '
+
 Error: Undefined operation "3 * 2".
    ,
-23 |   baz: 3*#{1*2};
+23 |   baz: 3*#{1*2};
    |        ^^^^^^^^
    '
   input.scss 23:8  root stylesheet

spec/libsass-closed-issues/issue_893.hrx

@@ -1,3 +1,7 @@
+<===> options.yml
+:ignore_for:
+  - libsass
+
 <===> input.scss
 $gutter: 20px;
 
@@ -8,3 +12,23 @@ $gutter: 20px;
 .row {
   margin: -20px;
 }
+
+<===> warning
+DEPRECATION WARNING on line 4, column 11 of input.scss: 
+This operation is parsed as:
+
+    0 - $gutter
+
+but you may have intended it to mean:
+
+    0 (-$gutter)
+
+Add a space after - to clarify that it's meant to be a binary operation, or wrap
+it in parentheses to make it a unary operation. This will be an error in future
+versions of Sass.
+
+More info and automated migrator: https://sass-lang.com/d/strict-unary
+  ,
+4 |   margin: 0 -$gutter;
+  |           ^^^^^^^^^^
+  '