diff --git a/library/Osmocom_VTY_Functions.ttcn b/library/Osmocom_VTY_Functions.ttcn
index b982a8f..dc87131 100644
--- a/library/Osmocom_VTY_Functions.ttcn
+++ b/library/Osmocom_VTY_Functions.ttcn
@@ -11,148 +11,148 @@
 
 module Osmocom_VTY_Functions {
 
-	import from Misc_Helpers all;
-	import from TELNETasp_PortType all;
-	import from Osmocom_Types all;
-	import from TCCConversion_Functions all;
-	import from Socket_API_Definitions all;
+import from Misc_Helpers all;
+import from TELNETasp_PortType all;
+import from Osmocom_Types all;
+import from TCCConversion_Functions all;
+import from Socket_API_Definitions all;
 
-	modulepar {
-		charstring mp_prompt_prefix := "OpenBSC";
-		float mp_prompt_timeout := 2.0;
-	}
+modulepar {
+	charstring mp_prompt_prefix := "OpenBSC";
+	float mp_prompt_timeout := 2.0;
+}
 
-	const charstring VTY_VIEW_SUFFIX := "> ";
-	const charstring VTY_ENABLE_SUFFIX := "# ";
-	const charstring VTY_CFG_SUFFIX := "(*)";
+const charstring VTY_VIEW_SUFFIX := "> ";
+const charstring VTY_ENABLE_SUFFIX := "# ";
+const charstring VTY_CFG_SUFFIX := "(*)";
 
-	template charstring t_vty_unknown := pattern "*% Unknown command.";
+template charstring t_vty_unknown := pattern "*% Unknown command.";
 
-	/* configure prompts in TELNETasp module */
-	function f_vty_set_prompts(TELNETasp_PT pt, charstring prompt_prefix := mp_prompt_prefix) {
-		var ASP_TelnetDynamicConfig vty_prompt[3] := {
-			{
-				prompt := {
-					id := 1,
-					prompt := prompt_prefix & VTY_VIEW_SUFFIX,
-					has_wildcards := false
-				}
-			}, {
-				prompt := {
-					id := 2,
-					prompt := prompt_prefix & VTY_ENABLE_SUFFIX,
-					has_wildcards := false
-				}
-			}, {
-				prompt := {
-					id := 3,
-					prompt := prompt_prefix & VTY_CFG_SUFFIX,
-					has_wildcards := true
-				}
+/* configure prompts in TELNETasp module */
+function f_vty_set_prompts(TELNETasp_PT pt, charstring prompt_prefix := mp_prompt_prefix) {
+	var ASP_TelnetDynamicConfig vty_prompt[3] := {
+		{
+			prompt := {
+				id := 1,
+				prompt := prompt_prefix & VTY_VIEW_SUFFIX,
+				has_wildcards := false
 			}
-		};
-
-		/* set some configuration that isn't possible to express
-		 * in the config file due to syntactic restrictions (Who invents config
-		 * files that don't permit regular expressions? */
-		for (var integer i := 0; i < sizeof(vty_prompt); i:= i + 1) {
-			pt.send(vty_prompt[i]);
-		}
-	}
-
-	/* wait for any of the permitted prompts; buffer + return all intermediate output */
-	function f_vty_wait_for_prompt(TELNETasp_PT pt, boolean strict := true, charstring log_label := "(?)")
-	return charstring {
-		var charstring rx, buf := "";
-		var integer fd;
-		timer T;
-
-		T.start(mp_prompt_timeout);
-		alt {
-		[] pt.receive(pattern "[\w-]+" & VTY_VIEW_SUFFIX) { };
-		[] pt.receive(pattern "[\w-]+\# ") { };
-		[] pt.receive(pattern "[\w-]+\(*\)\# ") { };
-		[] pt.receive(t_vty_unknown) -> value rx {
-			if (strict) {
-				setverdict(fail, "VTY: Unknown Command: " & log_label);
-				mtc.stop;
-			} else {
-				log("VTY: Unknown Command (ignored): " & log_label);
-				buf := buf & rx;
-				repeat;
+		}, {
+			prompt := {
+				id := 2,
+				prompt := prompt_prefix & VTY_ENABLE_SUFFIX,
+				has_wildcards := false
 			}
-			};
-		[] pt.receive(charstring:?) -> value rx { buf := buf & rx; repeat };
-		[] pt.receive(integer:?) -> value fd {
-			if (fd == -1) {
-				setverdict(fail, "VTY Telnet Connection Failure: " & log_label);
-				mtc.stop;
-			} else {
-				repeat; /* telnet connection succeeded */
+		}, {
+			prompt := {
+				id := 3,
+				prompt := prompt_prefix & VTY_CFG_SUFFIX,
+				has_wildcards := true
 			}
 		}
-		[] T.timeout {
-			setverdict(fail, "VTY Timeout for prompt: " & log_label);
+	};
+
+	/* set some configuration that isn't possible to express
+	 * in the config file due to syntactic restrictions (Who invents config
+	 * files that don't permit regular expressions? */
+	for (var integer i := 0; i < sizeof(vty_prompt); i:= i + 1) {
+		pt.send(vty_prompt[i]);
+	}
+}
+
+/* wait for any of the permitted prompts; buffer + return all intermediate output */
+function f_vty_wait_for_prompt(TELNETasp_PT pt, boolean strict := true, charstring log_label := "(?)")
+return charstring {
+	var charstring rx, buf := "";
+	var integer fd;
+	timer T;
+
+	T.start(mp_prompt_timeout);
+	alt {
+	[] pt.receive(pattern "[\w-]+" & VTY_VIEW_SUFFIX) { };
+	[] pt.receive(pattern "[\w-]+\# ") { };
+	[] pt.receive(pattern "[\w-]+\(*\)\# ") { };
+	[] pt.receive(t_vty_unknown) -> value rx {
+		if (strict) {
+			setverdict(fail, "VTY: Unknown Command: " & log_label);
 			mtc.stop;
-			};
+		} else {
+			log("VTY: Unknown Command (ignored): " & log_label);
+			buf := buf & rx;
+			repeat;
 		}
-		T.stop;
-		return buf;
+		};
+	[] pt.receive(charstring:?) -> value rx { buf := buf & rx; repeat };
+	[] pt.receive(integer:?) -> value fd {
+		if (fd == -1) {
+			setverdict(fail, "VTY Telnet Connection Failure: " & log_label);
+			mtc.stop;
+		} else {
+			repeat; /* telnet connection succeeded */
+		}
 	}
-
-	/* send a VTY command and obtain response until prompt is received */
-	function f_vty_transceive_ret(TELNETasp_PT pt, charstring tx, boolean strict := true) return charstring {
-		pt.send(tx);
-		return f_vty_wait_for_prompt(pt, strict, tx);
+	[] T.timeout {
+		setverdict(fail, "VTY Timeout for prompt: " & log_label);
+		mtc.stop;
+		};
 	}
+	T.stop;
+	return buf;
+}
 
-	/* send a VTY command and obtain response until prompt is received */
-	function f_vty_transceive(TELNETasp_PT pt, charstring tx, boolean strict := true) {
-		var charstring unused := f_vty_transceive_ret(pt, tx, strict);
-	}
+/* send a VTY command and obtain response until prompt is received */
+function f_vty_transceive_ret(TELNETasp_PT pt, charstring tx, boolean strict := true) return charstring {
+	pt.send(tx);
+	return f_vty_wait_for_prompt(pt, strict, tx);
+}
 
-	type integer BtsNr (0..255);
-	type integer BtsTrxNr (0..255);
-	type integer BtsTimeslotNr (0..7);
-	type integer MscNr (0..255);
-	type integer Cs7Nr (0..255);
+/* send a VTY command and obtain response until prompt is received */
+function f_vty_transceive(TELNETasp_PT pt, charstring tx, boolean strict := true) {
+	var charstring unused := f_vty_transceive_ret(pt, tx, strict);
+}
 
-	type charstring BtsGprsMode ("none", "gprs", "egrps");
+type integer BtsNr (0..255);
+type integer BtsTrxNr (0..255);
+type integer BtsTimeslotNr (0..7);
+type integer MscNr (0..255);
+type integer Cs7Nr (0..255);
 
-	/* enter the'confiugration' mode of the VTY */
-	function f_vty_enter_config(TELNETasp_PT pt) {
-		f_vty_transceive(pt, "configure terminal")
-	}
+type charstring BtsGprsMode ("none", "gprs", "egrps");
 
-	function f_vty_enter_cfg_network(TELNETasp_PT pt) {
-		f_vty_enter_config(pt);
-		f_vty_transceive(pt, "network")
-	}
+/* enter the'confiugration' mode of the VTY */
+function f_vty_enter_config(TELNETasp_PT pt) {
+	f_vty_transceive(pt, "configure terminal")
+}
 
-	function f_vty_enter_cfg_bts(TELNETasp_PT pt, BtsNr bts := 0) {
-		f_vty_enter_cfg_network(pt);
-		f_vty_transceive(pt, "bts " & int2str(bts));
-	}
+function f_vty_enter_cfg_network(TELNETasp_PT pt) {
+	f_vty_enter_config(pt);
+	f_vty_transceive(pt, "network")
+}
 
-	function f_vty_enter_cfg_trx(TELNETasp_PT pt, BtsNr bts := 0, BtsTrxNr trx := 0) {
-		f_vty_enter_cfg_bts(pt, bts);
-		f_vty_transceive(pt, "trx " & int2str(trx));
-	}
+function f_vty_enter_cfg_bts(TELNETasp_PT pt, BtsNr bts := 0) {
+	f_vty_enter_cfg_network(pt);
+	f_vty_transceive(pt, "bts " & int2str(bts));
+}
 
-	function f_vty_enter_cfg_ts(TELNETasp_PT pt, BtsNr bts := 0, BtsTrxNr trx := 0, BtsTimeslotNr ts) {
-		f_vty_enter_cfg_trx(pt, bts, trx);
-		f_vty_transceive(pt, "timeslot " & int2str(ts));
-	}
+function f_vty_enter_cfg_trx(TELNETasp_PT pt, BtsNr bts := 0, BtsTrxNr trx := 0) {
+	f_vty_enter_cfg_bts(pt, bts);
+	f_vty_transceive(pt, "trx " & int2str(trx));
+}
 
-	function f_vty_enter_cfg_msc(TELNETasp_PT pt, MscNr msc := 0) {
-		f_vty_enter_config(pt);
-		f_vty_transceive(pt, "msc " & int2str(msc));
-	}
+function f_vty_enter_cfg_ts(TELNETasp_PT pt, BtsNr bts := 0, BtsTrxNr trx := 0, BtsTimeslotNr ts) {
+	f_vty_enter_cfg_trx(pt, bts, trx);
+	f_vty_transceive(pt, "timeslot " & int2str(ts));
+}
 
-	function f_vty_enter_cfg_cs7_inst(TELNETasp_PT pt, Cs7Nr cs7_inst := 0) {
-		f_vty_enter_config(pt);
-		f_vty_transceive(pt, "cs7 instance " & int2str(cs7_inst));
-	}
+function f_vty_enter_cfg_msc(TELNETasp_PT pt, MscNr msc := 0) {
+	f_vty_enter_config(pt);
+	f_vty_transceive(pt, "msc " & int2str(msc));
+}
+
+function f_vty_enter_cfg_cs7_inst(TELNETasp_PT pt, Cs7Nr cs7_inst := 0) {
+	f_vty_enter_config(pt);
+	f_vty_transceive(pt, "cs7 instance " & int2str(cs7_inst));
+}
 
 type record of charstring rof_charstring;
 function f_vty_config3(TELNETasp_PT pt, rof_charstring config_nodes, rof_charstring cmds)