Fixed Sphinx pdflatex compilation. Fixed incorrect index link.

Also: moved the pretty printing customization doc to the very end (this
should be rarely needed).

doc/conf.py

@@ -194,8 +194,11 @@
 # Additional stuff for the LaTeX preamble.
 #latex_preamble = r'\DeclareUnicodeCharacter{207B}{$^-$}'
 latex_elements = {
-    # Superscript -, for pdflatex (unnecessary, with xelatex):
-    'preamble': r'\DeclareUnicodeCharacter{207B}{$^-$}'
+    # Superscript -, etc. for pdflatex (unnecessary, with xelatex):
+    'preamble': r'''
+\DeclareUnicodeCharacter{207B}{$^-$}
+\DeclareUnicodeCharacter{22C5}{$\cdot$}
+'''
 }
 
 # Documents to append as an appendix to all manuals.

doc/user_guide.rst

@@ -167,6 +167,10 @@ completely **transparently**.
 Access to the uncertainty and to the nominal value
 ==================================================
 
+.. index::
+   pair: nominal value; scalar
+   pair: uncertainty; scalar
+
 The nominal value and the uncertainty (standard deviation) can also be
 accessed independently:
 
@@ -504,20 +508,6 @@ formatting options. They can be added at the end of the format string:
 
 These custom formatting options **can be combined** (when meaningful).
 
-Customization of the pretty print and LaTeX outputs
----------------------------------------------------
-
-The pretty print and LaTeX outputs themselves can be customized.
-
-For example, the pretty-print representation of numbers with uncertainty can
-display multiplication with a centered dot (⋅) instead of the default symbol
-(×), like in `(2.00±0.10)⋅10⁻¹`; this is easily done through the global setting
-`uncertainties.core.PRETTY_PRINT_TIMES["pretty-print"] = "⋅"`.
-
-Beyond this multiplication symbol, the "±" symbol, the parentheses and the
-exponent can also be customized globally. The details can be found in the
-documentation of `uncertainties.core.format_num()`.
-
 Details
 -------
 
@@ -602,9 +592,19 @@ use the shorthand notation for numbers with uncertainties:
 prints with the shorthand notation: ``Result = 0.20(1)``.
 
 
-.. index::
-   pair: nominal value; scalar
-   pair: uncertainty; scalar
+Customization of the pretty print and LaTeX outputs
+---------------------------------------------------
+
+The pretty print and LaTeX outputs themselves can be customized.
+
+For example, the pretty-print representation of numbers with uncertainty can
+display multiplication with a centered dot (⋅) instead of the default symbol
+(×), like in ``(2.00±0.10)⋅10⁻¹``; this is easily done through the global
+setting ``uncertainties.core.MULT_SYMBOLS["pretty-print"] = "⋅"``.
+
+Beyond this multiplication symbol, the "±" symbol, the parentheses and the
+exponent representations can also be customized globally. The details can be
+found in the documentation of :func:`uncertainties.core.format_num`.
 
 Making custom functions accept numbers with uncertainties
 =========================================================