Update to nedit 5.1.1. Notable changes include:

Update to nedit 5.1.1. Notable changes include:

 - Significant extensions to the regular expression syntax.
 - Incremental search, and optional search bar.
 - New ctags code with full support for Exuberant Ctags, better
   handling of tag collisions, multiple tag file support, on-demand
   loading of tag files, and automatic reload of modified tag files.
 - Optional display of line numbers along the left side of the text.
 - NEdit can now read and write MS DOS format files.
 - New built-in syntax highlighting patterns for Lex, PostScript, SQL,
   Many syntax highlighting pattern improvements.
 - Improved international character set input
 - New macro subroutines: list_dialog, getenv, set_language_mode.
 - Optional warnings about external modifications to files
 - Clearcase awareness
 - Session manager restart capability
 - Default language mode "*" for user-defined menu items, allows
   per-language variations on a common base
 - Allow additional modifiers like Sun diamond key in user defined
   accelerators
 - Option to sort open previous menu.
 - -geometry and -iconic command line arguments act per-window, and
   can be specified via nc
 - -geometry now specified in characters, rather than pixels
 - -lm (language mode) command line option
 - Save As dialog defaults to same file name
 - .nedit file version mechanism to make future upgrades easier
 - Crash on large amounts of data fed to shell command which does not
   take input
 - Delayed secondary windows when executable statements specified in
   users .neditmacro file
 - Many corrections to online help
 - Many highlight patterns corrections
 - Using window close box in file open/save dialogs leaves nedit server
   unresponsive
 - escape in macro dialogs can cause macro hang
 - Lesstif-specific fixes: attachment warnings in font selector,
   Work around replace dialog focus bug.
 - NEdit no longer maintains original protection settings on files.  It
   allows them to be changed externally.