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I wanted all in-text citations in a different color to make them stand out from the text. I used a solution provided by following link.
Color citation using biblatex : in-text + references (issue with postnote + bibliography) In particular, I used \AtEveryCite command. The closing parenthesis is also colored blue. However, the period mark when the references are at the end of a sentence should be black, but above commands makes them blue. Any way to fix this minor glitch? Thanks. Jay

MWE

\documentclass[a4paper, oneside, 12pt]{memoir}
\usepackage[backend=bibtex, %bibtex worked well
style=authoryear-comp, %nature for numbered style
sorting=nyt, % cite according to author's last name,year and title.
maxbibnames=3]{biblatex} 

\addbibresource{biblatex-examples.bib}
\usepackage[table,xcdraw,dvipsnames]{xcolor} % colouring of raws and also for R code grey background
\definecolor{bleu_cite}{RGB}{34,111,212} % pure blue: {0,0,128}, light blue:{80,135,208}
\usepackage[
colorlinks=true,        
allcolors = black,  
citecolor=bleu_cite,        
]{hyperref} 
\AtEveryCite{\color{bleu_cite}}

\begin{document}
     This is a borrowed fact \parencite{aristotle:physics}. 

\end{document}
Johannes_B
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Jay
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  • Unrelated: The 12 pt should probably be 12pt (no space). – Johannes_B Aug 13 '17 at 05:40
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    \AtEveryCiteKey is commented in moewe's code and \mkbibbracketscol is introduced. The example given by moewe does not have coloured periods. Please test his example to confirm. – Johannes_B Aug 13 '17 at 05:54
  • Thanks Johannes :) Yes, his command works, as in the periods are in black. However, some references disappear and there is extra spaces between references - both are risky when revising a thesis. Therefore, I won't be chasing this option further, but it could work with tweaking. – Jay Aug 13 '17 at 08:37
  • You would need to show the extra spaces in the example to get help. – Johannes_B Aug 13 '17 at 08:38
  • If you found a problem with my solution I would be grateful for an example that shows the problem. Note that you use a vastly different style to the one in the other question, so you can't just copy the \DeclareCiteCommand you will have to adapt those in authoryear-comp. – moewe Aug 13 '17 at 12:18
  • autopunct=false might be enough for AtEveryCite{\color{bleu_cite}}, but then you turn off that feature entirely. – moewe Aug 13 '17 at 13:18

1 Answers1

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By default biblatex scans ahead for punctuation after a citation to avoid double punctuation. This means that biblatex 'takes over' printing punctuation directly after the citation. You can turn off this feature with

autopunct=false

Then you can continue to use \AtEveryCite{\color{bleu_cite}}.

But you can also use the \DeclareCiteCommand approach from Color citation using biblatex : in-text + references (issue with postnote + bibliography). You will have to modify this for your style, though.

\newcommand{\mkbibparenscol}[1]{\textcolor{bleu_cite}{\mkbibparens{#1}}}

\DeclareCiteCommand{\cite}[\textcolor{bleu_cite}]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand{\parencite}[\mkbibparenscol]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}
moewe
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