tweak vim

Replace default vim with gvim (for X-clipboard support)
Change some other settings
gvim is allowed to be a floating window by default

home/shell/vimrc

@@ -1,13 +1,35 @@
+" Syntax highlighting based on detected language
 syntax on
-" Convert tabs to spaces
-set tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab
 
+" Iceberg theme - I also use this theme in VSCode
 colorscheme iceberg
 
-" Show tabs as arrows, and trailing whitespace as pips
-set list
-set listchars=tab:\→\ ,trail:·
+" Default GUI  Window Geometry
+if has("gui_running")
+    set lines=29 columns=105
+endif
 
+" Render newlines with '$'
+" Render Tabs with '>-'
+" Render Trailing Whitespace with '~'
+" Extends and Precedes are for Line Wrapping
+set list
+set listchars=eol:$,tab:>-,trail:~,extends:>,precedes:<
+
+" Turn on Line numbering
+set number
+
+" Turn on Mouse Aware mode, does lots of stuff
+" What we're most interested in is the fact that
+" it won't let us highlight the line numbers
+set mouse+=a
+
+" Yank and Paste using the system clipboard
+set clipboard=unnamedplus
+
+" Convert tabs to spaces
+" Tabs are 4 spaces wide
+set tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab
 
 execute pathogen#infect()
 filetype plugin indent on