V panic: substr(1, 0) out of bounds (len=39)

[ckqee]

Saw the following crash -

./ved 
height=1440
FULL SCREEN=true
REGISTERING VED KEY2
open multiple workspaces
./ved
load session "/Users/ckqee/.ved/session"
open file "/Users/ckqee/v_dir/ved/welcome.txt"
getting words
saving session...
V panic: substr(1, 0) out of bounds (len=39)
0   ved                                 0x00000001089f2770 string_substr + 128
1   ved                                 0x0000000108a2fa40 main__Ved_word_under_cursor + 208
2   ved                                 0x0000000108a2ea36 main__Ved_go_to_def + 38
3   ved                                 0x0000000108a2a860 main__Ved_key_normal + 1184
4   ved                                 0x0000000108a27bfb main__key_down + 139
5   ved                                 0x0000000108a1e165 gg__gg_event_fn + 165
6   ved                                 0x00000001089df7cb _sapp_call_event + 91
7   ved                                 0x00000001089dfb24 _sapp_macos_key_event + 100
8   ved                                 0x00000001089df8c4 -[_sapp_macos_view keyDown:] + 180
9   AppKit                              0x00007fff33179d5d -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 6512
10  AppKit                              0x00007fff331781c9 -[NSWindow(NSEventRouting) sendEvent:] + 349
11  AppKit                              0x00007fff33176efe -[NSApplication(NSEvent) sendEvent:] + 2826
12  AppKit                              0x00007fff32fc35bf -[NSApplication run] + 707
13  ved                                 0x00000001089dff7b _sapp_macos_run + 251
14  ved                                 0x00000001089dfe75 sapp_run + 85
15  ved                                 0x0000000108a1bfc0 sokol__sapp__run + 48
16  ved                                 0x0000000108a1e73e gg__Context_run + 30
17  ved                                 0x0000000108a27aa0 main__main + 5120
18  ved                                 0x0000000108a3358e main + 78
19  ved                                 0x00000001089bdd34 start + 52

[JalonSolov]

Was this on a Mac? Useful info... I don't see the crash on Linux.