CI: temporarily use Emscripten 3.1.37 because 3.1.18 has a regression.

Ref https://github.com/emscripten-core/emscripten/issues/19363

.github/workflows/build.yml

@@ -479,8 +479,8 @@ jobs:
         wget -q https://github.com/emscripten-core/emsdk/archive/master.tar.gz
         tar -xvf master.tar.gz
         emsdk-master/emsdk update
-        emsdk-master/emsdk install latest
-        emsdk-master/emsdk activate latest
+        emsdk-master/emsdk install 3.1.37
+        emsdk-master/emsdk activate 3.1.37
 
     - name: Build example_sdl2_opengl3 with Emscripten
       run: |

imgui.h

@@ -2344,8 +2344,9 @@ struct ImGuiListClipper
     IMGUI_API void  End();             // Automatically called on the last call of Step() that returns false.
     IMGUI_API bool  Step();            // Call until it returns false. The DisplayStart/DisplayEnd fields will be set and you can process/draw those items.
 
-    // Call IncludeRangeByIndices() before first call to Step() if you need a range of items to be displayed regardless of visibility.
-    IMGUI_API void  IncludeRangeByIndices(int item_begin, int item_end); // item_end is exclusive e.g. use (42, 42+1) to make item 42 always visible BUT due to alignment/padding of certain items it is possible/likely that an extra item may be included on either end of the display range.
+    // Call IncludeRangeByIndices() *BEFORE* first call to Step() if you need a range of items to not be clipped, regardless of their visibility.
+    // (Due to alignment / padding of certain items it is possible that an extra item may be included on either end of the display range).
+    IMGUI_API void  IncludeRangeByIndices(int item_begin, int item_end); // item_end is exclusive e.g. use (42, 42+1) to make item 42 never clipped.
 
 #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
     inline void ForceDisplayRangeByIndices(int item_begin, int item_end) { IncludeRangeByIndices(item_begin, item_end); } // [renamed in 1.89.6]