Try again to remove all full paths to make the project portable

kicad/schematics/heating_control/fp-lib-table

@@ -1,3 +1,3 @@
 (fp_lib_table
-  (lib (name heating_control)(type KiCad)(uri ${KIPRJMOD}/../../library/heating_control.pretty)(options "")(descr ""))
+  (lib (name heating_control)(type KiCad)(uri ${KIPRJMOD}/library/heating_control.pretty)(options "")(descr ""))
 )

kicad/schematics/heating_control/heating_control.net

@@ -1,6 +1,6 @@
 (export (version D)
   (design
-    (source /home/rgenoud/dl-apps/perso/domotique/kicad/schematics/heating_control/heating_control.sch)
+    (source ${KIPRJMOD}/heating_control.sch)
     (date "lun. 28 janv. 2019 12:07:48 CET")
     (tool "Eeschema 5.0.2+dfsg1-1~bpo9+1")
     (sheet (number 1) (name /) (tstamps /)
@@ -452,7 +452,7 @@
     (library (logical Switch)
       (uri /usr/share/kicad/library/Switch.lib))
     (library (logical heating_control-rescue)
-      (uri /home/rgenoud/dl-apps/perso/domotique/kicad/schematics/heating_control/heating_control-rescue.lib)))
+      (uri ${KIPRJMOD}/heating_control-rescue.lib)))
   (nets
     (net (code 1) (name +3V3)
       (node (ref PS1) (pin 4))
@@ -620,4 +620,4 @@
     (net (code 50) (name "Net-(U12-Pad5)")
       (node (ref U12) (pin 5)))
     (net (code 51) (name "Net-(U12-Pad3)")
-      (node (ref U12) (pin 3)))))
+      (node (ref U12) (pin 3)))))

kicad/schematics/heating_control/sym-lib-table

@@ -1,5 +1,5 @@
 (sym_lib_table
-  (lib (name ESP8266-12E_ESP-12E)(type Legacy)(uri ../../library/ESP8266-12E_ESP-12E.lib)(options "")(descr ""))
+  (lib (name ESP8266-12E_ESP-12E)(type Legacy)(uri ${KIPRJMOD}/library/ESP8266-12E_ESP-12E.lib)(options "")(descr ""))
   (lib (name heating_control-rescue)(type Legacy)(uri ${KIPRJMOD}/heating_control-rescue.lib)(options "")(descr ""))
-  (lib (name vtx-214-002-103)(type Legacy)(uri ../../library/vtx-214-002-103.lib)(options "")(descr ""))
+  (lib (name vtx-214-002-103)(type Legacy)(uri ${KIPRJMOD}/library/vtx-214-002-103.lib)(options "")(descr ""))
 )