File less-429-shell.patch of Package less

---
 filename.c |    2 +-
 less.hlp   |    2 +-
 lsystem.c  |    4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

Index: less-676/filename.c
===================================================================
--- less-676.orig/filename.c	2025-04-16 21:56:56.000000000 +0200
+++ less-676/filename.c	2025-04-25 13:37:10.333952009 +0200
@@ -553,7 +553,7 @@
 #if HAVE_SHELL
 	constant char *shell;
 
-	shell = lgetenv("SHELL");
+	shell = lgetenv("LESSSHELL");
 	if (!isnullenv(shell))
 	{
 		char *scmd;
Index: less-676/less.hlp
===================================================================
--- less-676.orig/less.hlp	2025-04-16 21:56:56.000000000 +0200
+++ less-676/less.hlp	2025-04-25 13:37:10.334552439 +0200
@@ -113,7 +113,7 @@
   ___<_n_a_m_e_>             Display the setting of an option, by name.
   +_c_m_d                 Execute the less cmd each time a new file is examined.
 
-  !_c_o_m_m_a_n_d             Execute the shell command with $SHELL.
+  !_c_o_m_m_a_n_d             Execute the shell command with $LESSSHELL.
   #_c_o_m_m_a_n_d             Execute the shell command, expanded like a prompt.
   |XX_c_o_m_m_a_n_d            Pipe file between current pos & mark XX to shell command.
   s _f_i_l_e               Save input to a file.
Index: less-676/lsystem.c
===================================================================
--- less-676.orig/lsystem.c	2025-04-16 21:56:56.000000000 +0200
+++ less-676/lsystem.c	2025-04-25 13:37:10.334851222 +0200
@@ -120,13 +120,13 @@
 
 	/*
 	 * Pass the command to the system to be executed.
-	 * If we have a SHELL environment variable, use
+	 * If we have a LESSSHELL environment variable, use
 	 * <$SHELL -c "command"> instead of just <command>.
 	 * If the command is empty, just invoke a shell.
 	 */
 #if HAVE_SHELL
 	p = NULL;
-	if ((shell = lgetenv("SHELL")) != NULL && *shell != '\0')
+	if ((shell = lgetenv("LESSSHELL")) != NULL && *shell != '\0')
 	{
 		if (*cmd == '\0')
 			p = save(shell);