[troff]: Fix code style nits (static functions).

* src/roff/troff/input.cpp (device_request, device_macro_request)
  (output_request): Declare functions `static` since they do not require
  external linkage.

2 files changed, 11 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 0137b4536..a055185f6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2024-01-10  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+	[troff]: Fix code style nits.
+
+	* src/roff/troff/input.cpp (device_request)
+	(device_macro_request, output_request): Declare functions
+	`static` since they do not require external linkage.
+
 2024-01-09  G. Branden Robinson <g.branden.robinson@gmail.com>
 
 	[troff]: Add unit test for `\X` (device control) escape
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 7455d6077..8f8df4f92 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -5676,7 +5676,7 @@ static node *do_special()
   return new special_node(mac);
 }
 
-void device_request()
+static void device_request()
 {
   // We can't use `has_arg()` here because we want to read in copy mode.
   int c;
@@ -5708,7 +5708,7 @@ void device_request()
   tok.next();
 }
 
-void device_macro_request()
+static void device_macro_request()
 {
   symbol s = get_name(true /* required */);
   if (!(s.is_null() || s.is_empty())) {
@@ -5723,7 +5723,7 @@ void device_macro_request()
   skip_line();
 }
 
-void output_request()
+static void output_request()
 {
   // We can't use `has_arg()` here because we want to read in copy mode.
   int c;