patch 9.1.0573: ex: no implicit print for single addresses

Problem:  ex: no implicit print for single addresses
Solution: explicitly print even during single addresses,
          as requested by POSIX (Mohamed Akram)

See the POSIX behaviour here:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ex.html#tag_20_40_13_03
Section 6b

closes: #15230

Signed-off-by: Mohamed Akram <mohd.akram@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 1dc28bc..7ab1c69 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -2730,7 +2730,7 @@
 {
     char *errormsg = NULL;
 
-    if ((*eap->cmd == '|' || (exmode_active && eap->line1 != eap->line2))
+    if ((*eap->cmd == '|' || exmode_active)
 #ifdef FEAT_EVAL
 	    && !in_vim9script()
 #endif