[groff] 44/48: src/roff/troff/env.cpp: Fix code style nit (`\0`).

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 5187d6f72ddc58ddc7928721d87dfe0bb7729b81
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sat Apr 27 06:20:31 2024 -0500

    src/roff/troff/env.cpp: Fix code style nit (`\0`).
    
    * src/roff/troff/env.cpp (select_font): Fix code style nit.  Compare
      constant character to null character literal, not an integral zero.
---
 ChangeLog              | 6 ++++++
 src/roff/troff/env.cpp | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 8ec3f3b17..d0274a8d5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2024-04-27  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * src/roff/troff/env.cpp (select_font): Fix code style nit.
+       Compare constant character to null character literal, not an
+       integral zero.
+
 2024-04-27  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * src/roff/troff/env.cpp (environment::add_char)
diff --git a/src/roff/troff/env.cpp b/src/roff/troff/env.cpp
index 09e78c6a8..006a86c20 100644
--- a/src/roff/troff/env.cpp
+++ b/src/roff/troff/env.cpp
@@ -1272,7 +1272,9 @@ static void select_font()
   if (s == P_symbol)
     is_number = false;
   else {
-    for (const char *p = s.contents(); p != 0 && *p != 0; p++)
+    for (const char *p = s.contents();
+        p != 0 && *p != '\0';
+        p++)
       if (!csdigit(*p)) {
        is_number = false;
        break;