diff --git a/README.md b/README.md
index 6c5bfd6..c40af5d 100644
--- a/README.md
+++ b/README.md
@@ -23,12 +23,12 @@ library    | lastest version | category | LoC | description
 **stb_herringbone_wa...** | 0.6 | game dev | 1220 | herringbone Wang tile map generator
 **stb_c_lexer.h** | 0.07 | parsing | 816 | simplify writing parsers for C-like languages
 **stb_divide.h** | 0.91 | math | 379 | more useful 32-bit modulus e.g. "euclidean divide"
-**stb_connected_comp...** | 0.93 | misc | 936 | incrementally compute reachability on grids
+**stb_connected_comp...** | 0.94 | misc | 1000 | incrementally compute reachability on grids
 **stb.h** | 2.27 | misc | 14185 | helper functions for C, mostly redundant in C++; basically author's personal stuff
 **stb_leakcheck.h** | 0.2 | misc | 124 | quick-and-dirty malloc/free leak-checking
 
 Total libraries: 19  
-Total lines of C code: 47750
+Total lines of C code: 47814
 
 
 FAQ
diff --git a/docs/other_libs.md b/docs/other_libs.md
index 27c5130..701e810 100644
--- a/docs/other_libs.md
+++ b/docs/other_libs.md
@@ -93,6 +93,7 @@ math              |  [ShaderFastLibs](https://github.com/michaldrobot/ShaderFast
 math              |  [TinyExpr](https://github.com/codeplea/tinyexpr)                     | zlib                 |  C  |  2  | evaluation of math expressions from strings
 math              |  [linalg.h](https://github.com/sgorsten/linalg)                      | **unlicense**         | C++ |**1**| vector/matrix/quaternion math
 math              |  [PoissonGenerator.h](https://github.com/corporateshark/poisson-disk-generator) | MIT        | C++ |**1**| Poisson disk points generator (disk or rect)
+math              |  [prns.h](http://marc-b-reynolds.github.io/shf/2016/04/19/prns.html)  | **public domain**    |C/C++|**1**| seekable pseudo-random number sequences
 multithreading    |  [mm_sched.h](https://github.com/vurtun/mmx)                          | zlib                 |C/C++|**1**| cross-platform multithreaded task scheduler
 network           |**[zed_net](https://github.com/ZedZull/zed_net)**                      | **public domain**    |C/C++|**1**| cross-platform socket wrapper
 network           |  [mm_web.h](https://github.com/vurtun/mmx)                            | BSD                  |C/C++|**1**| lightweight webserver, fork of webby
@@ -125,7 +126,8 @@ tests             |  [pempek_assert.cpp](https://github.com/gpakosz/Assert)
 tests             |  [minctest](https://github.com/codeplea/minctest)                     | zlib                 |  C  |**1**| unit testing
 tests             |  [greatest](https://github.com/silentbicycle/greatest)                | iSC                  |  C  |**1**| unit testing
 tests             |  [µnit](https://github.com/nemequ/munit)                              | MIT                  |  C  |**1**| unit testing
-user interface    |  [dear imgui](https://github.com/ocornut/imgui)                       | MIT                  | C++*|  9  | an immediate-mode GUI formerly named "ImGui"; [3rd-party C wrapper](https://github.com/Extrawurst/cimgui) 
+user interface    |  [dear imgui](https://github.com/ocornut/imgui)                       | MIT                  | C++ |  9  | an immediate-mode GUI formerly named "ImGui"; [3rd-party C wrapper](https://github.com/Extrawurst/cimgui)
+user interface    |  [nuklear](https://github.com/vurtun/nuklear)                         | **public domain**    |C/C++|**1**| minimal GUI toolkit
 _misc_            |  [MakeID.h](http://www.humus.name/3D/MakeID.h)                        | **public domain**    | C++ |**1**| allocate/deallocate small integer IDs efficiently
 _misc_            |  [loguru](https://github.com/emilk/loguru)                            | **public domain**    | C++ |**1**| flexible logging
 _misc_            |  [tinyformat](https://github.com/c42f/tinyformat)                     | Boost                | C++ |**1**| typesafe printf
diff --git a/stb_textedit.h b/stb_textedit.h
index 29af484..5a617ea 100644
--- a/stb_textedit.h
+++ b/stb_textedit.h
@@ -417,10 +417,9 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
    // check if it's before the end of the line
    if (x < r.x1) {
       // search characters in row for one that straddles 'x'
-      k = i;
       prev_x = r.x0;
-      for (i=0; i < r.num_chars; ++i) {
-         float w = STB_TEXTEDIT_GETWIDTH(str, k, i);
+      for (k=0; k < r.num_chars; ++k) {
+         float w = STB_TEXTEDIT_GETWIDTH(str, i, k);
          if (x < prev_x+w) {
             if (x < prev_x+w/2)
                return k+i;