4 files changed, 19 insertions, 13 deletions
diff --git a/src/library/elements.rs b/src/library/elements.rs
index 3d318d36..e021c0c6 100644
--- a/src/library/elements.rs
+++ b/src/library/elements.rs
@@ -1,8 +1,10 @@
 use std::f64::consts::SQRT_2;
+use std::io;
 
 use decorum::N64;
 
 use super::*;
+use crate::diag::Error;
 use crate::layout::{
     BackgroundNode, BackgroundShape, FixedNode, ImageNode, PadNode, Paint,
 };
@@ -13,13 +15,17 @@ pub fn image(ctx: &mut EvalContext, args: &mut FuncArgs) -> TypResult<Value> {
     let width = args.named("width")?;
     let height = args.named("height")?;
 
-    let file = ctx.resolve(&path.v, path.span)?;
-    let node = match ctx.images.load(file) {
-        Some(id) => ImageNode { id, width, height },
-        None => bail!(args.file, path.span, "failed to load image"),
-    };
-
-    Ok(Value::template(move |ctx| ctx.push_into_par(node)))
+    let full = ctx.relpath(path.v.as_str());
+    let id = ctx.images.load(&full).map_err(|err| {
+        Error::boxed(args.source, path.span, match err.kind() {
+            io::ErrorKind::NotFound => "file not found".into(),
+            _ => format!("failed to load image ({})", err),
+        })
+    })?;
+
+    Ok(Value::template(move |ctx| {
+        ctx.push_into_par(ImageNode { id, width, height })
+    }))
 }
 
 /// `rect`: A rectangle with optional content.
diff --git a/src/library/layout.rs b/src/library/layout.rs
index 727bbcc3..0d778206 100644
--- a/src/library/layout.rs
+++ b/src/library/layout.rs
@@ -6,7 +6,7 @@ use crate::paper::{Paper, PaperClass};
 pub fn page(_: &mut EvalContext, args: &mut FuncArgs) -> TypResult<Value> {
     let paper = match args.eat::<Spanned<EcoString>>() {
         Some(name) => match Paper::from_name(&name.v) {
-            None => bail!(args.file, name.span, "invalid paper name"),
+            None => bail!(args.source, name.span, "invalid paper name"),
             paper => paper,
         },
         None => None,
diff --git a/src/library/text.rs b/src/library/text.rs
index 5973a7e2..cd97691c 100644
--- a/src/library/text.rs
+++ b/src/library/text.rs
@@ -132,7 +132,7 @@ pub fn lang(_: &mut EvalContext, args: &mut FuncArgs) -> TypResult<Value> {
         if dir.v.axis() == SpecAxis::Horizontal {
             Some(dir.v)
         } else {
-            bail!(args.file, dir.span, "must be horizontal");
+            bail!(args.source, dir.span, "must be horizontal");
         }
     } else {
         iso.as_deref().map(lang_dir)
diff --git a/src/library/utility.rs b/src/library/utility.rs
index fb39fce3..3c157ea1 100644
--- a/src/library/utility.rs
+++ b/src/library/utility.rs
@@ -25,7 +25,7 @@ pub fn len(_: &mut EvalContext, args: &mut FuncArgs) -> TypResult<Value> {
         Value::Str(v) => Value::Int(v.len() as i64),
         Value::Array(v) => Value::Int(v.len() as i64),
         Value::Dict(v) => Value::Int(v.len() as i64),
-        _ => bail!(args.file, span, "expected string, array or dictionary"),
+        _ => bail!(args.source, span, "expected string, array or dictionary"),
     })
 }
 
@@ -35,7 +35,7 @@ pub fn rgb(_: &mut EvalContext, args: &mut FuncArgs) -> TypResult<Value> {
         if let Some(string) = args.eat::<Spanned<EcoString>>() {
             match RgbaColor::from_str(&string.v) {
                 Ok(color) => color,
-                Err(_) => bail!(args.file, string.span, "invalid color"),
+                Err(_) => bail!(args.source, string.span, "invalid color"),
             }
         } else {
             let r = args.expect("red component")?;
@@ -60,7 +60,7 @@ pub fn max(_: &mut EvalContext, args: &mut FuncArgs) -> TypResult<Value> {
 
 /// Find the minimum or maximum of a sequence of values.
 fn minmax(args: &mut FuncArgs, goal: Ordering) -> TypResult<Value> {
-    let &mut FuncArgs { file, span, .. } = args;
+    let &mut FuncArgs { source, span, .. } = args;
 
     let mut extremum = args.expect::<Value>("value")?;
     for value in args.all::<Value>() {
@@ -71,7 +71,7 @@ fn minmax(args: &mut FuncArgs, goal: Ordering) -> TypResult<Value> {
                 }
             }
             None => bail!(
-                file,
+                source,
                 span,
                 "cannot compare {} with {}",
                 extremum.type_name(),