core: fix html errors in the javadoc

core/src/main/java/fr/sncf/osrd/api/stdcm/UnavailableSpaceBuilder.java

@@ -17,7 +17,7 @@ public class UnavailableSpaceBuilder {
      * This considers existing occupancy blocks, the length of the train,
      * and the routes that must be left available behind the train
      *
-     * </p>
+     * <br/>
      * This is the first step to compute STDCM, the goal is to get rid of railway rules and extra complexity
      * as soon as possible. After this step we can look for a single curve that avoids unavailable blocks. */
     public static Multimap<SignalingRoute, OccupancyBlock> computeUnavailableSpace(

core/src/main/java/fr/sncf/osrd/api/stdcm/graph/BacktrackingManager.java

@@ -18,7 +18,7 @@
 /** This class contains all the methods used to backtrack in the graph.
  * We need to backtrack to remove any kind of speed discontinuity, generally because of deceleration spanning over
  * several edges.
- * </p>
+ * <br/>
  * A short explanation of how it's done: given nodes a, b, c, d
  * If we compute the edge "c->d" and see that we need to go slower at the start of the node (e.g. because we stop here)
  * We instantiate a new edge going from b to c, with the specified end speed. The predecessor of this new "b->c" edge

core/src/main/java/fr/sncf/osrd/api/stdcm/graph/STDCMUtils.java

@@ -71,7 +71,7 @@ static EnvelopeSimContext makeSimContext(
 
     /** Returns an envelope matching the given route. The envelope time starts when the train enters the route.
      *
-     * </p>
+     * <p>
      * Note: there are some approximations made here as we only "see" the tracks on the given routes.
      * We are missing slopes and speed limits from earlier in the path.
      * </p>

core/src/main/java/fr/sncf/osrd/envelope/package-info.java

@@ -1,5 +1,5 @@
 /**
- * <h1>Envelopes</h1>
+ * Envelopes
  * <h2>Overview</h2>
  * <p>Envelopes are a framework for working with position / speed curves, with constant acceleration between each point.
  * This isn't as simple as it may seem, as acceleration works over time, and the envelopes work over space.</p>

core/src/main/java/fr/sncf/osrd/envelope_sim/package-info.java

@@ -1,5 +1,5 @@
 /**
- * <h1>Envelope Sim</h1>
+ * Envelope Sim
  * <p>Envelope sim is a library to run simulations over envelopes.</p>
  * <p>It can be used independently from the rest of the project.</p>
  */

core/src/main/java/fr/sncf/osrd/infra/implementation/tracks/directed/TrackRangeView.java

@@ -17,9 +17,9 @@
 
 /** An oriented view on a track range. Can be used to iterate over its content */
 public class TrackRangeView {
-    /** Start of the range on the original undirected track (begin < end) */
+    /** Start of the range on the original undirected track (begin &lt; end) */
     public final double begin;
-    /** End of the range on the original undirected track (begin < end) */
+    /** End of the range on the original undirected track (begin &lt; end) */
     public final double end;
     /** Referenced oriented track. This sets the direction of the range */
     public final DiTrackEdge track;

core/src/main/java/fr/sncf/osrd/infra_state/api/TrainPath.java

@@ -45,13 +45,13 @@ public static <T> List<T> removeLocation(ImmutableList<LocatedElement<T>> list)
                 .collect(Collectors.toList());
     }
 
-    /** Utility function, returns the last element with offset <= the given offset.
+    /** Utility function, returns the last element with offset &lt;= the given offset.
      * For range objects (route / sections), it returns the element containing the offset. */
     public static <T> T getLastElementBefore(ImmutableList<LocatedElement<T>> list, double offset) {
         return getLastLocatedElementBefore(list, offset).element;
     }
 
-    /** Utility function, returns the last located element with offset <= the given offset.
+    /** Utility function, returns the last located element with offset &lt;= the given offset.
      * For range objects (route / sections), it returns the element containing the offset. */
     public static <T> LocatedElement<T> getLastLocatedElementBefore(
             ImmutableList<LocatedElement<T>> list,

core/src/main/java/fr/sncf/osrd/package-info.java

@@ -1,5 +1,5 @@
 /**
- * <h1>The core OSRD module</h1>
+ * The core OSRD module
  *
  * <p>Reading through a log file gives a good overview of how the project works:</p>
  * <ul>