Adds briefs to GradeHueco

Doxyfile

@@ -4,4 +4,5 @@ TYPEDEF_HIDES_STRUCT   = YES
 EXTRACT_PRIVATE        = YES
 HIDE_UNDOC_MEMBERS     = YES
 HIDE_UNDOC_CLASSES     = YES
-INPUT                  = grade_hueco.h
+INPUT                  = grade_hueco.h \
+                         grade_font.h

grade_font.h

@@ -1,26 +1,83 @@
 #ifndef _CLIMBLIB_GRADE_FONT_H_
 #define _CLIMBLIB_GRADE_FONT_H_
 
+/**
+ * @file grade_font.h
+ *
+ * @brief Header that defines structures and methods for the Fontainebleau
+ * grading system.
+ */
+
 #include <stddef.h>
 
+/**
+ * @brief Divisions that granulate difficulty within a grade
+ */
 typedef enum {
+	/**
+	 * @brief The "A" division
+	 */
 	GRADE_FONT_DIVISION_A,
+
+	/**
+	 * @brief The "B" division
+	 */
 	GRADE_FONT_DIVISION_B,
+
+	/**
+	 * @brief The "C" division
+	 */
 	GRADE_FONT_DIVISION_C,
 } GradeFontainebleauDivision;
+
+/**
+ * @brief Modifier that indicates increased difficulty within a grade
+ */
 typedef enum {
+	/**
+	 * @brief No modifier present
+	 */
 	GRADE_FONT_MODIFIER_NONE,
+
+	/**
+	 * @brief The "+" modifier
+	 */
 	GRADE_FONT_MODIFIER_PLUS,
 } GradeFontainebleauModifier;
 
+/**
+ * @brief A Fontainebleau grade.
+ */
 typedef struct {
+	/**
+	 * @brief The value of the grade.
+	 */
 	unsigned int grade;
+
+	/**
+	 * @brief The division of the grade.
+	 */
 	GradeFontainebleauDivision division;
+
+	/**
+	 * @brief The modifier of the grade.
+	 */
 	GradeFontainebleauModifier modifier;
 } GradeFontainebleau;
 
+/**
+ * @brief Compares two @ref GradeFontainebleau instances.
+ */
 int GradeFontainebleau_cmp(const GradeFontainebleau, const GradeFontainebleau);
+
+/**
+ * @brief Produces a string representing the Fontainebleau grade.
+ */
 int GradeFontainebleau_str(const GradeFontainebleau, char *, size_t);
+
+/**
+ * @brief Populates a @ref GradeFontainebleau from a representative string.
+ */
 int GradeFontainebleau_fromstr(const char *, GradeFontainebleau *);
 
 #endif