diff --git a/swayr/src/shared/fmt.rs b/swayr/src/shared/fmt.rs
index f6f5575..4616aa1 100644
--- a/swayr/src/shared/fmt.rs
+++ b/swayr/src/shared/fmt.rs
@@ -111,7 +111,7 @@ impl FormatArgument for FmtArg {
     }
 }
 
-pub fn format(fmt: &str, arg: FmtArg, clipped_str: &str) -> String {
+pub fn do_format(fmt: &str, arg: FmtArg, clipped_str: &str) -> String {
     let arg_string = arg.to_string();
 
     if let Ok(pf) = ParsedFormat::parse(fmt, &[arg], &NoNamedArguments) {
@@ -136,15 +136,21 @@ fn remove_last_n_chars(s: &mut String, n: usize) {
 
 #[test]
 fn test_format() {
-    assert_eq!(format("{:.10}", "sway", ""), "sway");
-    assert_eq!(format("{:.10}", "sway", "…"), "sway");
-    assert_eq!(format("{:.4}", "𝔰𝔴𝔞𝔶", "……"), "𝔰𝔴𝔞𝔶");
-
-    assert_eq!(format("{:.3}", "sway", ""), "swa");
-    assert_eq!(format("{:.3}", "sway", "…"), "sw…");
-    assert_eq!(format("{:.5}", "𝔰𝔴𝔞𝔶 𝔴𝔦𝔫𝔡𝔬𝔴", "…?"), "𝔰𝔴𝔞…?");
-    assert_eq!(format("{:.5}", "sway window", "..."), "sw...");
-    assert_eq!(format("{:.2}", "sway", "..."), "...");
+    assert_eq!(do_format("{:.10}", FmtArg::from("sway"), ""), "sway");
+    assert_eq!(do_format("{:.10}", FmtArg::from("sway"), "…"), "sway");
+    assert_eq!(do_format("{:.4}", FmtArg::from("𝔰𝔴𝔞𝔶"), "……"), "𝔰𝔴𝔞𝔶");
+
+    assert_eq!(do_format("{:.3}", FmtArg::from("sway"), ""), "swa");
+    assert_eq!(do_format("{:.3}", FmtArg::from("sway"), "…"), "sw…");
+    assert_eq!(
+        do_format("{:.5}", FmtArg::from("𝔰𝔴𝔞𝔶 𝔴𝔦𝔫𝔡𝔬𝔴"), "…?"),
+        "𝔰𝔴𝔞…?"
+    );
+    assert_eq!(
+        do_format("{:.5}", FmtArg::from("sway window"), "..."),
+        "sw..."
+    );
+    assert_eq!(do_format("{:.2}", FmtArg::from("sway"), "..."), "...");
 }
 
 pub static PLACEHOLDER_RX: Lazy<Regex> = Lazy::new(|| {
@@ -154,6 +160,29 @@ pub static PLACEHOLDER_RX: Lazy<Regex> = Lazy::new(|| {
     .unwrap()
 });
 
+#[test]
+fn test_placeholder_rx() {
+    let caps = PLACEHOLDER_RX.captures("Hello, {place}!").unwrap();
+    assert_eq!(caps.name("name").unwrap().as_str(), "place");
+    assert_eq!(caps.name("fmtstr"), None);
+    assert_eq!(caps.name("clipstr"), None);
+
+    let caps = PLACEHOLDER_RX.captures("Hi, {place:{:>10.10}}!").unwrap();
+    assert_eq!(caps.name("name").unwrap().as_str(), "place");
+    assert_eq!(caps.name("fmtstr").unwrap().as_str(), "{:>10.10}");
+    assert_eq!(caps.name("clipstr").unwrap().as_str(), "");
+
+    let caps = PLACEHOLDER_RX.captures("Hello, {place:{:.5}…}!").unwrap();
+    assert_eq!(caps.name("name").unwrap().as_str(), "place");
+    assert_eq!(caps.name("fmtstr").unwrap().as_str(), "{:.5}");
+    assert_eq!(caps.name("clipstr").unwrap().as_str(), "…");
+
+    let caps = PLACEHOLDER_RX.captures("Hello, {place:{:.5}...}!").unwrap();
+    assert_eq!(caps.name("name").unwrap().as_str(), "place");
+    assert_eq!(caps.name("fmtstr").unwrap().as_str(), "{:.5}");
+    assert_eq!(caps.name("clipstr").unwrap().as_str(), "...");
+}
+
 pub fn maybe_html_escape(do_it: bool, text: String) -> String {
     if do_it {
         text.replace('<', "&lt;")
@@ -164,7 +193,7 @@ pub fn maybe_html_escape(do_it: bool, text: String) -> String {
     }
 }
 
-macro_rules! fmt_replace {
+macro_rules! format_placeholders {
     ( $fmt_str:expr, $html_escape:expr,
       { $( $($pat:pat_param)|+ => $exp:expr, )+ }
     ) => {
@@ -180,7 +209,7 @@ macro_rules! fmt_replace {
                                 .map_or("", |m| m.as_str());
                             $crate::shared::fmt::maybe_html_escape(
                                 $html_escape,
-                                $crate::shared::fmt::format(fmt_str, val, clipped_str),
+                                $crate::shared::fmt::do_format(fmt_str, val, clipped_str),
                             )
                         }
                     )+
@@ -191,15 +220,17 @@ macro_rules! fmt_replace {
     };
 }
 
-pub(crate) use fmt_replace;
+pub(crate) use format_placeholders;
 
 #[test]
-fn foo() {
-    let foo = "{a}, {b}";
+fn test_format_placeholders() {
+    let foo = "{a}, {b} = {d}";
     let html_escape = true;
-    let x: String = fmt_replace!(foo, html_escape, {
+    let x: String = format_placeholders!(foo, html_escape, {
         "a" => "1".to_string(),
-        "b" =>  "2".to_string(),
+        "b" | "d" =>  "2".to_string(),
         "c" => "3".to_owned(),
     });
+
+    assert_eq!("1, 2 = 2", x);
 }
diff --git a/swayr/src/tree.rs b/swayr/src/tree.rs
index 54ab39c..edbe3e0 100644
--- a/swayr/src/tree.rs
+++ b/swayr/src/tree.rs
@@ -16,7 +16,7 @@
 //! Convenience data structures built from the IPC structs.
 
 use crate::config;
-use crate::shared::fmt::fmt_replace;
+use crate::shared::fmt::format_placeholders;
 use crate::shared::ipc;
 use crate::shared::ipc::NodeMethods;
 use crate::util;
@@ -370,7 +370,7 @@ impl DisplayFormat for DisplayNode<'_> {
                     .as_str(),
             );
 
-        fmt_replace!(&fmt, html_escape, {
+        format_placeholders!(&fmt, html_escape, {
             "id" => self.node.id,
             "app_name" => self.node.get_app_name(),
             "layout" => format!("{:?}", self.node.layout),
@@ -413,26 +413,3 @@ impl DisplayFormat for DisplayNode<'_> {
         }
     }
 }
-
-#[test]
-fn test_placeholder_rx() {
-    let caps = PLACEHOLDER_RX.captures("Hello, {place}!").unwrap();
-    assert_eq!(caps.name("name").unwrap().as_str(), "place");
-    assert_eq!(caps.name("fmtstr"), None);
-    assert_eq!(caps.name("clipstr"), None);
-
-    let caps = PLACEHOLDER_RX.captures("Hi, {place:{:>10.10}}!").unwrap();
-    assert_eq!(caps.name("name").unwrap().as_str(), "place");
-    assert_eq!(caps.name("fmtstr").unwrap().as_str(), "{:>10.10}");
-    assert_eq!(caps.name("clipstr").unwrap().as_str(), "");
-
-    let caps = PLACEHOLDER_RX.captures("Hello, {place:{:.5}…}!").unwrap();
-    assert_eq!(caps.name("name").unwrap().as_str(), "place");
-    assert_eq!(caps.name("fmtstr").unwrap().as_str(), "{:.5}");
-    assert_eq!(caps.name("clipstr").unwrap().as_str(), "…");
-
-    let caps = PLACEHOLDER_RX.captures("Hello, {place:{:.5}...}!").unwrap();
-    assert_eq!(caps.name("name").unwrap().as_str(), "place");
-    assert_eq!(caps.name("fmtstr").unwrap().as_str(), "{:.5}");
-    assert_eq!(caps.name("clipstr").unwrap().as_str(), "...");
-}
diff --git a/swayrbar/src/bar/module/battery.rs b/swayrbar/src/bar/module/battery.rs
index 3e327f5..8d91d5a 100644
--- a/swayrbar/src/bar/module/battery.rs
+++ b/swayrbar/src/bar/module/battery.rs
@@ -17,7 +17,7 @@
 
 use crate::bar::config;
 use crate::bar::module::BarModuleFn;
-use crate::shared::fmt::fmt_replace;
+use crate::shared::fmt::format_placeholders;
 use battery as bat;
 use std::collections::{HashMap, HashSet};
 use swaybar_types as s;
@@ -52,7 +52,7 @@ fn get_text(cfg: &config::ModuleConfig) -> String {
             if bats.is_empty() {
                 return String::new();
             }
-            fmt_replace!(&cfg.format, cfg.html_escape, {
+            format_placeholders!(&cfg.format, cfg.html_escape, {
                 "state_of_charge" => bats.iter()
                     .map(|b| b.state_of_charge().value)
                     .sum::<f32>()
diff --git a/swayrbar/src/bar/module/sysinfo.rs b/swayrbar/src/bar/module/sysinfo.rs
index 07c61a7..b887077 100644
--- a/swayrbar/src/bar/module/sysinfo.rs
+++ b/swayrbar/src/bar/module/sysinfo.rs
@@ -17,7 +17,7 @@
 
 use crate::bar::config;
 use crate::bar::module::BarModuleFn;
-use crate::shared::fmt::fmt_replace;
+use crate::shared::fmt::format_placeholders;
 use std::collections::HashMap;
 use std::sync::Mutex;
 use std::sync::Once;
@@ -115,7 +115,7 @@ impl BarModuleFn for BarModuleSysInfo {
             instance: Some(self.config.instance.clone()),
             full_text: {
                 let mut sys = self.system.lock().unwrap();
-                fmt_replace!(&self.config.format, self.config.html_escape, {
+                format_placeholders!(&self.config.format, self.config.html_escape, {
                     "cpu_usage" => get_cpu_usage(&mut sys, &updater),
                     "mem_usage" => get_memory_usage(&mut sys, &updater),
                     "load_avg_1" => get_load_average(&mut sys,
diff --git a/swayrbar/src/bar/module/window.rs b/swayrbar/src/bar/module/window.rs
index b56057f..e32c2e4 100644
--- a/swayrbar/src/bar/module/window.rs
+++ b/swayrbar/src/bar/module/window.rs
@@ -19,7 +19,7 @@ use std::collections::HashMap;
 
 use crate::bar::config;
 use crate::bar::module::BarModuleFn;
-use crate::shared::fmt::fmt_replace;
+use crate::shared::fmt::format_placeholders;
 use crate::shared::ipc;
 use crate::shared::ipc::NodeMethods;
 use swaybar_types as s;
@@ -56,7 +56,7 @@ impl BarModuleFn for BarModuleWindow {
             .find(|n| n.focused && n.get_type() == ipc::Type::Window);
         let text = match focused_win {
             Some(win) => {
-                fmt_replace!(&self.config.format, self.config.html_escape, {
+                format_placeholders!(&self.config.format, self.config.html_escape, {
                     "title" | "name"  =>  win.get_name(),
                     "app_name" => win.get_app_name(),
                 })