compare singletons by identity not equality (closes #16712)
Patch from Serhiy Storchaka.
diff --git a/Tools/scripts/texi2html.py b/Tools/scripts/texi2html.py
index af2147a..9983528 100755
--- a/Tools/scripts/texi2html.py
+++ b/Tools/scripts/texi2html.py
@@ -319,7 +319,7 @@
# Start saving text in a buffer instead of writing it to a file
def startsaving(self):
- if self.savetext != None:
+ if self.savetext is not None:
self.savestack.append(self.savetext)
# print '*** Recursively saving text, expect trouble'
self.savetext = ''
@@ -341,7 +341,7 @@
except:
print(args)
raise TypeError
- if self.savetext != None:
+ if self.savetext is not None:
self.savetext = self.savetext + text
elif self.nodefp:
self.nodefp.write(text)
@@ -350,7 +350,7 @@
# Complete the current node -- write footnotes and close file
def endnode(self):
- if self.savetext != None:
+ if self.savetext is not None:
print('*** Still saving text at end of node')
dummy = self.collectsavings()
if self.footnotes:
@@ -804,7 +804,7 @@
def close_i(self): self.write('</I>')
def open_footnote(self):
- # if self.savetext <> None:
+ # if self.savetext is not None:
# print '*** Recursive footnote -- expect weirdness'
id = len(self.footnotes) + 1
self.write(self.FN_SOURCE_PATTERN % {'id': repr(id)})
@@ -1442,7 +1442,7 @@
else:
# some other character, e.g. '-'
args = self.itemarg + ' ' + args
- if self.itemnumber != None:
+ if self.itemnumber is not None:
args = self.itemnumber + '. ' + args
self.itemnumber = increment(self.itemnumber)
if self.stack and self.stack[-1] == 'table':