RL hyphenation glitch

DINNextLTPro-Regular.ttf

hyphenation_glitch.pdf

hyphenation_glitch.py

from reportlab.pdfgen import canvas
from reportlab.platypus import Frame, ShowBoundaryValue, Paragraph
from reportlab.lib.styles import ParagraphStyle
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont

pdfmetrics.registerFont(TTFont('DINNextLTPro', 'DINNextLTPro-Regular.ttf'))

pagesize = (200+20, 400)
c = canvas.Canvas('hyphenation_glitch.pdf', pagesize=pagesize)
f = Frame(10, 0, 200, 400,
          showBoundary=ShowBoundaryValue(dashArray=(1,1)),
          leftPadding=0,
          rightPadding=0,
          topPadding=0,
          bottomPadding=0)
style = ParagraphStyle('normal',
                       fontName='DINNextLTPro',
                       fontSize=10,
                       spaceBefore=20,
                       hyphenationLang='en-US',
                       alignment=4)
# This is rendered OK
text1 = """
My recent use case was the preparation of a dictionary that was passed to a Jinja2
template. Using a dictionary structure makes it easy to change the content sent to the template
but I don’t want the template to modify the contents as it renders it.
"""

# This is rendered OK
text2 = """
My recent use case was the preparation of a dictionary that was passed to a "Jinja2"
template. Using a dictionary structure makes it easy to change the content sent to the template
but I don’t want the template to modify the contents as it renders it.
"""

# Replacing double quotes with corresponding HTML entities introduces glitches
text3 = """
My recent use case was the preparation of a dictionary that was passed to a "Jinja2"
template. Using a dictionary structure makes it easy to change the content sent to the template
but I don’t want the template to modify the contents as it renders it.
"""

f.addFromList([Paragraph(text1, style),
               Paragraph(text2, style),
               Paragraph(text3, style)],
              c)
c.showPage()
c.save()

thanks for reporting this - I am currently facing the exact same issue as described in https://groups.google.com/g/reportlab-users/c/yEQi6Q495yA