From 2a8b0b40d8b18766c5dc53ec5f174b6d3a4dbac1 Mon Sep 17 00:00:00 2001
From: stefan schippers <stefan.schippers@gmail.com>
Date: Sun, 22 Oct 2023 12:14:49 +0200
Subject: [PATCH] add some additional help text in simulator config dialog

---
 src/xschem.tcl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/xschem.tcl b/src/xschem.tcl
index 6b65d671..be22e24d 100644
--- a/src/xschem.tcl
+++ b/src/xschem.tcl
@@ -1332,7 +1332,9 @@ proc simconf {} {
   }
   button .sim.bottom.help  -text Help -command {
     viewdata {In this dialog box you set the commands xschem uses to launch the 
-various external tools.
+various external tools. The commands go through a tcl 'subst' round
+ to do TCL variable and command substitution, so you may use the TCL
+'{' and '}' characters for grouping arguments with spaces.
 Xschem has 3 main netlisting modes (spice, verilog, vhdl) and for each
 netlisting mode some simulators and some viewers can be defined.
 The following variables are defined and will get substituted by