Fixed problem with symbol (non-unicode) character replacements

config.ini

@@ -100,6 +100,13 @@ ff0c = 2c20
 d7 = 78
 ; Ligature "fi"
 fb01 = 6669
+; "<="
+f0fd = 3c3d
+; "=>"
+f0e0 = 3e3d
+; "<=>"
+f0df = 3c3d3e
+
 
 
 [media]

spec2md.py

@@ -402,9 +402,22 @@ def processDocuments(documents:list[str], outDirectory:str, skipImageConversion:
 						pass	# ignore a soft hyphen character which has no meaning in Markdown and zero-width 
 					
 					case 'sym':
-						_symError = f'unknown font+symbol: {element.attrib["{"+wns+"}font"]} - "{element.attrib["{"+wns+"}char"]}"'
-						_print(f'[yellow]{_symError}')
-						_result += f'<mark>{_symError}</mark>'
+						def _symError(ch:str) -> str:
+							nonlocal _result
+							_symError = f'unknown font+symbol: {element.attrib["{"+wns+"}font"]} - "{element.attrib["{"+wns+"}char"]} ({ch})"'
+							_print(f'[yellow]{_symError}')
+							_result += f'<mark>{_symError}</mark>'
+						try:
+							_ch = '????'
+							_ch = int(element.attrib["{"+wns+"}char"], 16)
+							if _ch in docConfig.characters:
+								if (rch := docConfig.characters[_ch]) == chr(0):
+									rch = ''
+								_result += rch
+							else:
+								_symError(_ch)
+						except ValueError as e:
+							_symError(_ch)
 
 					# ignore deleted test
 					case 'del':
@@ -791,7 +804,7 @@ def processDocuments(documents:list[str], outDirectory:str, skipImageConversion:
 			for i in range(len(lines)):
 				line = lines[i]
 				if _captionMarker in line:
-					_print(f'[yellow]Unresolved figure caption : \[{i}] "{line}"')
+					_print(f'[yellow]Unresolved / unreferenced figure caption : \[{i}] "{line}"')
 			
 			#
 			#	Write produced Markdown file