Doxygen documentation: added missing counter.gif image in Fl_Counter,Fl_Simple_Counter doc, also corrected some typos. Fl_Spinner is missing a gif file in class doc., would be nice to add a little one (could be extracted from valuators.gif)

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6385 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Counter.H

@@ -42,11 +42,10 @@
 #define FL_SIMPLE_COUNTER	1	/**< type() for counter without fast buttons */
 
 /**
-  \class Fl_Counter
-  \brief Fl_Counter widget for Forms compatibility.
-
-  The Fl_Counter widget is provided for forms compatibility.
-  It controls a single floating point value.
+  Controls a single floating point value with button (or keyboard) arrows.
+  Double arrows buttons achieve larger steps than simple arrows.
+  \see Fl_Spinner for value input with vertical step arrows.
+  <P align=center>\image html counter.gif</P>
 
   \todo Refactor the doxygen comments for Fl_Counter type() documentation.
 
@@ -77,19 +76,19 @@ public:
   ~Fl_Counter();
 
   /**
-    Set the increment for the large step buttons.
+    Sets the increment for the large step buttons.
     The default value is 1.0.
     \param[in] a large step increment.
   */
   void lstep(double a) {lstep_ = a;}
 
   /**
-    Set the increments for the normal and large step buttons.
+    Sets the increments for the normal and large step buttons.
     \param[in] a, b normal and large step increments.
   */
   void step(double a,double b) {Fl_Valuator::step(a); lstep_ = b;}
   /**
-    Set the increment for the normal step buttons.
+    Sets the increment for the normal step buttons.
     \param[in] a normal step increment.
   */
   void step(double a) {Fl_Valuator::step(a);}
@@ -106,7 +105,7 @@ public:
 
   /** Gets the font color */
   Fl_Color textcolor() const {return (Fl_Color)textcolor_;}
-  /** Sets the font color to \p a */
+  /** Sets the font color to \a s */
   void textcolor(unsigned s) {textcolor_ = s;}
 
 };

FL/Fl_Simple_Counter.H

@@ -32,7 +32,10 @@
 #define Fl_Simple_Counter_H
 
 #include "Fl_Counter.H"
-/** This widget creates a counter with only 2 arrow buttons */
+/** 
+  This widget creates a counter with only 2 arrow buttons 
+  <P align=center>\image html counter.gif</P>
+*/
 class Fl_Simple_Counter : public Fl_Counter {
 public:
     Fl_Simple_Counter(int x,int y,int w,int h, const char *l = 0)