.. index::
   single: G7 Reference Manual; Symbols
   single: G7 Command; :
   single: G7 Command; #
   single: G7 Command; "

*G7* Commands: Symbols
======================

| **:**
|   A ':' at the beginning of a line begins a comment that extends through the next line beginning with a ':'.  Text in comments does not cause any action by *G7,* except that the comments are printed to the screen when an add file runs if *addprint* is on.

   Related Topics: Command Files, :ref:`add <G7RMadd>`


.. _G7RMpound:

| **#**
|   Any text on a line that follows a hash sign ('#') will be treated as a comment.  In addition to providing descriptive text for an add file, the *#* can be a method of temporarily removing lines from an add file that you may want to try again later.

   Related Topics: Command Files, :ref:`add <G7RMadd>`, ", :


| **\"**
|   This also is a comment character, if used as the first character of a line.  Its use is deprecated, as the '#' and ':' comments are preferred.