update documentation

doc/fragments.awk

@@ -1,6 +1,16 @@
 BEGIN{
-  print "| fragment | type | scope |"
-  print "|----------|------|-------|"
+  ROUNDROBIN="🎲"
+  ASSET="🔒"
+  PV_OVERRIDE="🔓"
+  BROWSER_OVERRIDE="👩"
+  PROMPT="✋?"
+  print ROUNDROBIN" = multiple values will be roundrobin'ed<br>"
+  print ASSET" = immutable value(s) are defined in 3D asset<br>"
+  print PV_OVERRIDE" = value(s) can be overwritten by [predefined_view](#predefined_view)<br>"
+  print BROWSER_OVERRIDE" = value(s) can be overwritten by [URL browser_override](#browser_override)<br>"
+  print PROMPT" = value(s) can be overwritten only after confirmation of user<br><br>"
+  print "| fragment | type | write access | scope |"
+  print "|----------|------|--------------|-------|"
 }
 
 /category:/    {
@@ -15,13 +25,19 @@ BEGIN{
   gsub(/.*\("/,"",$1)
   gsub(/".*/,"",$1)
   type="string"
+  perms=""
   frag=$1
   $1=""
-  if( $0 ~ /T_INT/ )             type="int"
-  if( $0 ~ /T_STRING_OBJ/ )      type="[string object](string object)"
-  if( $0 ~ /T_VECTOR2/ )         type="[vector2](#vector2)"
-  if( $0 ~ /T_VECTOR3/ )         type="[vector3](#vector3)"
-  if( $0 ~ /T_URL/ )             type="[url](#url)"
-  if( $0 ~ /T_PREDEFINED_VIEW/ ) type="[predefined view](#prefined%20view)"
-  print "| **"frag"** |" type "|" scope "|"
+  if( $0 ~ /T_INT/             ) type="int"
+  if( $0 ~ /T_STRING_OBJ/      ) type="[string object](string object      ) "
+  if( $0 ~ /T_VECTOR2/         ) type="[vector2](#vector                  ) "
+  if( $0 ~ /T_VECTOR3/         ) type="[vector3](#vector                  ) "
+  if( $0 ~ /T_URL/             ) type="[url](#url                         ) "
+  if( $0 ~ /T_PREDEFINED_VIEW/ ) type="[predefined view](#predefined_view ) "
+  if( $0 ~ /ROUNDROBIN/        ) perms=perms" "ROUNDROBIN
+  if( $0 ~ /ASSET/             ) perms=perms" "ASSET
+  if( $0 ~ /PV_OVERRIDE/       ) perms=perms" "PV_OVERRIDE
+  if( $0 ~ /BROWSER_OVERRIDE/  ) perms=perms" "BROWSER_OVERRIDE
+  if( $0 ~ /PROMPT/            ) perms=perms" "PROMPT
+  print "| **"frag"** |" type "|" perms "|" scope "|"
 }