[dia] dox: fix warnings for the Doxygen build

[Hans Breuer <hans src gnome org>]

commit 64884fb564f61bc01055ceaad5b30c6c6c7068cd
Author: Hans Breuer <hans breuer org>
Date:   Sat Oct 13 10:11:35 2012 +0200

    dox: fix warnings for the Doxygen build

 lib/beziershape.h |    2 +-
 lib/dia_svg.c     |    2 +-
 lib/geometry.c    |    6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/lib/beziershape.h b/lib/beziershape.h
index d5c1bb0..189a960 100644
--- a/lib/beziershape.h
+++ b/lib/beziershape.h
@@ -44,7 +44,7 @@ struct _BezierShape {
   DiaObject object;
   /*! \protected Number of points in points array */
   BezierCommon bezier;
-  /*! \protexted Extra info (like line-width) to help bounding boc calculation */
+  /*! \protected Extra info (like line-width) to help bounding boc calculation */
   ElementBBExtras extra_spacing;
 };
 
diff --git a/lib/dia_svg.c b/lib/dia_svg.c
index 571bf9f..3a429df 100644
--- a/lib/dia_svg.c
+++ b/lib/dia_svg.c
@@ -150,7 +150,7 @@ svg_named_color (const char *name, gint32 *color)
  *
  * This function is rather tolerant compared to the SVG specification.
  * It supports special names like 'fg', 'bg', 'foregroumd', 'background';
- * three numeric representations: '#FF0000', 'rgb(1.0,0.0,0.0), 'rgb(100%,0%,0%)'
+ * three numeric representations: '\#FF0000', 'rgb(1.0,0.0,0.0), 'rgb(100%,0%,0%)'
  * and named colors from two domains: SVG and Pango.
  *
  * \note Shouldn't we use an actual Dia Color object as return value?
diff --git a/lib/geometry.c b/lib/geometry.c
index eb0cf3f..588d75b 100644
--- a/lib/geometry.c
+++ b/lib/geometry.c
@@ -681,7 +681,7 @@ calculate_object_edge(Point *objmid, Point *end, DiaObject *obj)
 
 /*!
  * \brief Check the matrix if it has any effect
- * @param m matrix
+ * @param matrix matrix to check
  * \extends _DiaMatrix
  */
 gboolean 
@@ -702,7 +702,7 @@ dia_matrix_is_identity (const DiaMatrix *matrix)
 /*!
  * \brief Splitting the given matrix into angle and scales
  * @param m matrix
- * @param angle in radians
+ * @param a angle in radians
  * @param sx horizontal scale
  * @param sy vertical scale
  *
@@ -759,7 +759,7 @@ dia_matrix_get_angle_and_scales (const DiaMatrix *m,
 /*!
  * \brief Scale in the coordinate system of the shape, afterwards rotate
  * @param m matrix
- * @param angle in radians
+ * @param a angle in radians
  * @param sx horizontal scale
  * @param sy vertical scale
  * \extends _DiaMatrix