Wrap xmldoc less and make a few fixes

osu.Game/Rulesets/Edit/BeatmapVerifier.cs

@@ -11,15 +11,18 @@ namespace osu.Game.Rulesets.Edit
 {
     public abstract class BeatmapVerifier
     {
-        // These are all ruleset-invariant, hence here instead of in e.g. `OsuChecker`.
-        private readonly IReadOnlyList<Check> checks = new List<Check>
+        /// <summary>
+        /// Checks which are performed regardless of ruleset.
+        /// These handle things like beatmap metadata, timing, and other ruleset agnostic elements.
+        /// </summary>
+        private readonly IReadOnlyList<Check> generalChecks = new List<Check>
         {
             new CheckBackground()
         };
 
         public virtual IEnumerable<Issue> Run(IBeatmap beatmap)
         {
-            return checks.SelectMany(check => check.Run(beatmap));
+            return generalChecks.SelectMany(check => check.Run(beatmap));
         }
     }
 }

osu.Game/Rulesets/Edit/Checks/Components/Check.cs

@@ -9,25 +9,19 @@ namespace osu.Game.Rulesets.Edit.Checks.Components
     public abstract class Check
     {
         /// <summary>
-        /// Returns the <see cref="CheckMetadata"/> for this check.
-        /// Basically, its information.
+        /// The metadata for this check.
         /// </summary>
-        /// <returns></returns>
         public abstract CheckMetadata Metadata();
 
         /// <summary>
-        /// The templates for issues that this check may use.
-        /// Basically, what issues this check can detect.
+        /// All possible templates for issues that this check may return.
         /// </summary>
-        /// <returns></returns>
         public abstract IEnumerable<IssueTemplate> Templates();
 
         /// <summary>
-        /// Returns zero, one, or several issues detected by this
-        /// check on the given beatmap.
+        /// Runs this check and returns any issues detected for the provided beatmap.
         /// </summary>
         /// <param name="beatmap">The beatmap to run the check on.</param>
-        /// <returns></returns>
         public abstract IEnumerable<Issue> Run(IBeatmap beatmap);
 
         protected Check()

osu.Game/Rulesets/Edit/Checks/Components/CheckMetadata.cs

@@ -42,14 +42,12 @@ namespace osu.Game.Rulesets.Edit.Checks.Components
         }
 
         /// <summary>
-        /// The category this check belongs to. E.g. <see cref="CheckCategory.Metadata"/>,
-        /// <see cref="CheckCategory.Timing"/>, or <see cref="CheckCategory.Compose"/>.
+        /// The category this check belongs to. E.g. <see cref="CheckCategory.Metadata"/>, <see cref="CheckCategory.Timing"/>, or <see cref="CheckCategory.Compose"/>.
         /// </summary>
         public readonly CheckCategory Category;
 
         /// <summary>
-        /// Describes the issue(s) that this check looks for. Keep this brief, such that
-        /// it fits into "No {description}". E.g. "Offscreen objects" / "Too short sliders".
+        /// Describes the issue(s) that this check looks for. Keep this brief, such that it fits into "No {description}". E.g. "Offscreen objects" / "Too short sliders".
         /// </summary>
         public readonly string Description;
 

osu.Game/Rulesets/Edit/Checks/Components/Issue.cs

@@ -22,17 +22,13 @@ namespace osu.Game.Rulesets.Edit.Checks.Components
         public IReadOnlyList<HitObject> HitObjects;
 
         /// <summary>
-        /// The template which this issue is using. This provides properties
-        /// such as the <see cref="IssueTemplate.IssueType"/>, and the
-        /// <see cref="IssueTemplate.UnformattedMessage"/>.
+        /// The template which this issue is using. This provides properties such as the <see cref="IssueTemplate.IssueType"/>, and the <see cref="IssueTemplate.UnformattedMessage"/>.
         /// </summary>
         public IssueTemplate Template;
 
         /// <summary>
-        /// The arguments that give this issue its context, based on the
-        /// <see cref="IssueTemplate"/>. These are then substituted into the
-        /// <see cref="IssueTemplate.UnformattedMessage"/>.
-        /// E.g. timestamps, which diff is being compared to, what some volume is, etc.
+        /// The arguments that give this issue its context, based on the <see cref="IssueTemplate"/>. These are then substituted into the <see cref="IssueTemplate.UnformattedMessage"/>.
+        /// This could for instance include timestamps, which diff is being compared to, what some volume is, etc.
         /// </summary>
         public object[] Arguments;
 

osu.Game/Rulesets/Edit/Checks/Components/IssueTemplate.cs

@@ -35,8 +35,7 @@ namespace osu.Game.Rulesets.Edit.Checks.Components
         public Check Origin;
 
         /// <summary>
-        /// The type of the issue. E.g. <see cref="IssueType.Problem"/>,
-        /// <see cref="IssueType.Warning"/>, or <see cref="IssueType.Negligible"/>.
+        /// The type of the issue.
         /// </summary>
         public readonly IssueType Type;
 
@@ -57,7 +56,6 @@ namespace osu.Game.Rulesets.Edit.Checks.Components
         /// Returns the formatted message given the arguments used to format it.
         /// </summary>
         /// <param name="args">The arguments used to format the message.</param>
-        /// <returns></returns>
         public string Message(params object[] args) => UnformattedMessage.FormatWith(args);
 
         public static readonly Color4 PROBLEM_RED = new Colour4(1.0f, 0.4f, 0.4f, 1.0f);
@@ -68,7 +66,6 @@ namespace osu.Game.Rulesets.Edit.Checks.Components
         /// <summary>
         /// Returns the colour corresponding to the type of this issue.
         /// </summary>
-        /// <returns></returns>
         public Colour4 TypeColour()
         {
             return Type switch