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-rw-r--r--Doc/ref/ref2.tex4
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex
index 036e57d..e0f1e49 100644
--- a/Doc/ref/ref2.tex
+++ b/Doc/ref/ref2.tex
@@ -185,7 +185,9 @@ first backslash determines the indentation.
\strong{Cross-platform compatibility note:} because of the nature of
text editors on non-UNIX platforms, it is unwise to use a mixture of
-spaces and tabs for the indentation in a single source file.
+spaces and tabs for the indentation in a single source file. It
+should also be noted that different platforms may explicitly limit the
+maximum indentation level.
A formfeed character may be present at the start of the line; it will
be ignored for the indentation calculations above. Formfeed