Only fallback mode needs the fontTools package

src/utils.py

@@ -5539,7 +5539,7 @@ def recover_char_quad(line_dir: tuple, span: dict, char: dict) -> pymupdf.Quad:
 # Building font subsets using fontTools
 # -------------------------------------------------------------------
 def subset_fonts(doc: pymupdf.Document, verbose: bool = False, fallback: bool = False) -> None:
-    """Build font subsets of a PDF. Requires package 'fontTools'.
+    """Build font subsets in a PDF.
 
     Eligible fonts are potentially replaced by smaller versions. Page text is
     NOT rewritten and thus should retain properties like being hidden or
@@ -5548,6 +5548,7 @@ def subset_fonts(doc: pymupdf.Document, verbose: bool = False, fallback: bool =
     This method by default uses MuPDF's own internal feature to create subset
     fonts. As this is a new function, errors may still occur. In this case,
     please fall back to using the previous version by using "fallback=True".
+    Fallback mode requires the external package 'fontTools'.
     """
     # Font binaries: -  "buffer" -> (names, xrefs, (unicodes, glyphs))
     # An embedded font is uniquely defined by its fontbuffer only. It may have