gh-39368: fix doctests for singular 4.4.1
    
Only output changes. Should work with singular 4.4.1 without breaking
older singular.

### 📝 Checklist

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
    
URL: #39368
Reported by: Gonzalo Tornaría
Reviewer(s): Antonio Rojas

Author: Release Manager

src/doc/de/tutorial/interfaces.rst

@@ -198,8 +198,8 @@ Sages Singular-Schnittstelle (ohne die ``....:``):
     sage: R1 = singular.ring(0, '(x,y)', 'dp')
     sage: R1
     polynomial ring, over a field, global ordering
-    //   coefficients: QQ
-    //   number of vars : 2
+    // coefficients: QQ...
+    // number of vars : 2
     //        block   1 : ordering dp
     //                  : names    x y
     //        block   2 : ordering C

src/doc/en/constructions/algebraic_geometry.rst

@@ -162,14 +162,12 @@ Other methods
 
        sage: singular.LIB("brnoeth.lib")
        sage: s = singular.ring(2,'(x,y)','lp')
-       ...
        sage: f = singular.poly('x3y+y3+x')
-       ...
        sage: klein1 = f.Adj_div(); print(klein1)
        [1]:
           [1]:
-             //   coefficients: ZZ/2
-       //   number of vars : 2
+             // coefficients: ZZ/2...
+       // number of vars : 2
        //        block   1 : ordering lp
        //                  : names    x y
        //        block   2 : ordering C
@@ -191,14 +189,14 @@ Other methods
        sage: print(klein1)
        [1]:
           [1]:
-             //   coefficients: ZZ/2
-       //   number of vars : 2
+             // coefficients: ZZ/2...
+       // number of vars : 2
        //        block   1 : ordering lp
        //                  : names    x y
        //        block   2 : ordering C
           [2]:
-             //   coefficients: ZZ/2
-       //   number of vars : 3
+             // coefficients: ZZ/2...
+       // number of vars : 3
        //        block   1 : ordering lp
        //                  : names    x y z
        //        block   2 : ordering C
@@ -214,8 +212,8 @@ Other methods
        [5]:
           [1]:
              [1]:
-                //   coefficients: ZZ/2
-       //   number of vars : 3
+                // coefficients: ZZ/2...
+       // number of vars : 3
        //        block   1 : ordering ls
        //                  : names    x y t
        //        block   2 : ordering C

src/doc/en/constructions/rings.rst

@@ -57,8 +57,8 @@ Here's an example using the Singular interface:
     sage: I = singular.ideal(['a+b+c+d', 'ab+ad+bc+cd', 'abc+abd+acd+bcd', 'abcd-1'])
     sage: R
     polynomial ring, over a field, global ordering
-    //   coefficients: ZZ/97
-    //   number of vars : 4
+    // coefficients: ZZ/97...
+    // number of vars : 4
     //        block   1 : ordering lp
     //                  : names    a b c d
     //        block   2 : ordering C

src/doc/en/developer/coding_in_other.rst

@@ -403,8 +403,8 @@ interface to Singular::
     sage: singular.LIB("brnoeth.lib")
     sage: singular.ring(5,'(x,y)','lp')
         polynomial ring, over a field, global ordering
-        //   coefficients: ZZ/5
-        //   number of vars : 2
+        // coefficients: ZZ/5...
+        // number of vars : 2
         //        block   1 : ordering lp
         //                  : names    x y
         //        block   2 : ordering C

src/doc/en/tutorial/interfaces.rst

@@ -195,8 +195,8 @@ Singular (do not type the ``....:``):
     sage: R1 = singular.ring(0, '(x,y)', 'dp')
     sage: R1
     polynomial ring, over a field, global ordering
-    //   coefficients: QQ
-    //   number of vars : 2
+    // coefficients: QQ...
+    // number of vars : 2
     //        block   1 : ordering dp
     //                  : names    x y
     //        block   2 : ordering C

src/doc/fr/tutorial/interfaces.rst

@@ -199,8 +199,8 @@ fournie par Sage (n'entrez pas les ``....:``) :
     sage: R1 = singular.ring(0, '(x,y)', 'dp')
     sage: R1
     polynomial ring, over a field, global ordering
-    //   coefficients: QQ
-    //   number of vars : 2
+    // coefficients: QQ...
+    // number of vars : 2
     //        block   1 : ordering dp
     //                  : names    x y
     //        block   2 : ordering C

src/doc/ja/tutorial/interfaces.rst

@@ -171,8 +171,8 @@ Singularは，グレブナー基底，多変数多項式のgcd，平面曲線の
     sage: R1 = singular.ring(0, '(x,y)', 'dp')
     sage: R1
     polynomial ring, over a field, global ordering
-    //   coefficients: QQ
-    //   number of vars : 2
+    // coefficients: QQ...
+    // number of vars : 2
     //        block   1 : ordering dp
     //                  : names    x y
     //        block   2 : ordering C

src/doc/pt/tutorial/interfaces.rst

@@ -197,8 +197,8 @@ digite ``...``):
     sage: R1 = singular.ring(0, '(x,y)', 'dp')
     sage: R1
     polynomial ring, over a field, global ordering
-    //   coefficients: QQ
-    //   number of vars : 2
+    // coefficients: QQ...
+    // number of vars : 2
     //        block   1 : ordering dp
     //                  : names    x y
     //        block   2 : ordering C

src/doc/ru/tutorial/interfaces.rst

@@ -190,8 +190,8 @@ Singular предоставляет массивную и продуманную
     sage: R1 = singular.ring(0, '(x,y)', 'dp')
     sage: R1
     polynomial ring, over a field, global ordering
-    //   coefficients: QQ
-    //   number of vars : 2
+    // coefficients: QQ...
+    // number of vars : 2
     //        block   1 : ordering dp
     //                  : names    x y
     //        block   2 : ordering C

src/sage/categories/pushout.py

@@ -3925,8 +3925,8 @@ class BlackBoxConstructionFunctor(ConstructionFunctor):
         sage: FS = BlackBoxConstructionFunctor(singular)
         sage: FS(QQ['t'])                                                               # needs sage.libs.singular
         polynomial ring, over a field, global ordering
-        //   coefficients: QQ
-        //   number of vars : 1
+        // coefficients: QQ...
+        // number of vars : 1
         //        block   1 : ordering lp
         //                  : names    t
         //        block   2 : ordering C