From 346f630bba0cfe80b9b4c38df6001ba9dd7e5b23 Mon Sep 17 00:00:00 2001
From: Oliverpool <oliverpool@hotmail.fr>
Date: Mon, 9 May 2016 22:52:48 +0200
Subject: [PATCH] Improve error messages

---
 patacrep/songs/chordpro/syntax.py | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/patacrep/songs/chordpro/syntax.py b/patacrep/songs/chordpro/syntax.py
index e300d227..ca03d271 100644
--- a/patacrep/songs/chordpro/syntax.py
+++ b/patacrep/songs/chordpro/syntax.py
@@ -144,10 +144,16 @@ class ChordproParser(Parser):
                 if match is not None:
                     yield (prefix, match.groupdict()['value'], "")
                     continue
+            else:
+                self.error(
+                    line=lineno,
+                    message="Image: Unknown argument name '{}'.".format(prefix),
+                )
+                continue
             self.error(
                 line=lineno,
-                message="Image: Ignoring unparsable argument '{}'.".format(item),
-                )
+                message="Image: Unsupported {} value: '{}'.".format(prefix, suffix),
+            )
 
     def _iter_image_size_arguments(self, argument, *, lineno):
         arguments = set()
@@ -155,7 +161,7 @@ class ChordproParser(Parser):
             if name in arguments:
                 self.error(
                     line=lineno,
-                    message="Image: Ignoring extra {} argument.".format(name),
+                    message="Image: Ignoring repeated argument: {}.".format(name),
                     )
                 continue
             if (