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seehuhn · Jun 11, 2024 · da0c8a1 · da0c8a1
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Showing 4 changed files with 243 additions and 84 deletions.
diff --git a/error.go b/error.go
@@ -48,6 +48,9 @@ func (err *AuthenticationError) Error() string {
 }
 
 // MalformedFileError indicates that a PDF file could not be parsed.
+//
+// TODO(voss): introduce a distinction between an invalid PDF container,
+// and invalid PDF content within a valid container.
 type MalformedFileError struct {
 	Err error
 	Loc []string

diff --git a/graphics/color/Notes.md b/graphics/color/Notes.md
@@ -11,16 +11,16 @@ Device Color Spaces
 The device color spaces are:
 
 - DeviceGray (PDF-1.1)
-  Color space description: \DeviceGray
+  Color space description: /DeviceGray
 
 - DeviceRGB (PDF-1.1)
-  Color space description: \DeviceRGB
+  Color space description: /DeviceRGB
 
 - DeviceCMYK (PDF-1.1)
-  Color space description: \DeviceCMYK
+  Color space description: /DeviceCMYK
 
 - CalCMYK is a deprecated synonym for DeviceCMYK.
-  Color space description: [\CalCMYK dict]
+  Color space description: [/CalCMYK dict]
 
 The device color spaces can have two different uses:
 
@@ -36,27 +36,27 @@ CIE-Based Color Spaces
 The CIE-based color spaces are:
 
 - CalGray (PDF-1.1)
-  Color space description: [\CalGray dict]
-  The dictionary entries are \WhitePoint (required), \BlackPoint (optional)
-  and \Gamma (optional).
+  Color space description: [/CalGray dict]
+  The dictionary entries are /WhitePoint (required), /BlackPoint (optional)
+  and /Gamma (optional).
   See table 62 in ISO 32000-2:2020.
 
 - CalRGB (PDF-1.1)
-  Color space description: [\CalRGB dict]
-  The dictionary entries are \WhitePoint (required), \BlackPoint (optional),
-  \Gamma (optional) and \Matrix (optional).
+  Color space description: [/CalRGB dict]
+  The dictionary entries are /WhitePoint (required), /BlackPoint (optional),
+  /Gamma (optional) and /Matrix (optional).
   See table 63 in ISO 32000-2:2020.
 
 - Lab (PDF-1.1)
-  Color space description: [\Lab dict]
-  The dictionary entries are \WhitePoint (required), \BlackPoint (optional)
-  and \Range (optional).
+  Color space description: [/Lab dict]
+  The dictionary entries are /WhitePoint (required), /BlackPoint (optional)
+  and /Range (optional).
   See table 64 in ISO 32000-2:2020.
 
 - ICCBased (PDF-1.3)
-  Color space description: [\ICCBased stream]
-  The stream dictionary has the following (additional) entries: \N (required),
-  \Alternate (deprecated), \Range (optional), and \Metadata (optional).
+  Color space description: [/ICCBased stream]
+  The stream dictionary has the following (additional) entries: /N (required),
+  /Alternate (deprecated), /Range (optional), and /Metadata (optional).
   See table 65 in ISO 32000-2:2020.
 
 Special Color Spaces
@@ -65,20 +65,20 @@ Special Color Spaces
 The special color spaces are:
 
 - Indexed (PDF-1.1)
-  Color space description: [\Indexed baseColor highVal lookup]
+  Color space description: [/Indexed baseColor highVal lookup]
   See section 8.6.6.3 in ISO 32000-2:2020.
 
 - Pattern (PDF-1.2)
   Colored patterns: /Pattern
   Uncolored tiling patterns: [/Pattern baseColorSpace]
 
 - Separation (PDF-1.2)
-  Color space description: [\Separation name alternateSpace tintTransform]
+  Color space description: [/Separation name alternateSpace tintTransform]
   See section 8.6.6.4 in ISO 32000-2:2020.
 
 - DeviceN (PDF-1.3)
-  Color space description: [\DeviceN names alternateSpace tintTransform]
-      or [/DeviceN names alternateSpace tintTransform attributes]
+  Color space description: [/DeviceN names alternateSpace tintTransform]
+                        or [/DeviceN names alternateSpace tintTransform attributes]
   See section 8.6.6.5 in ISO 32000-2:2020.