Reviewed-by: Liming Gao <liming....@intel.com>
> -----Original Message-----
> From: Zhu, Yonghong
> Sent: Tuesday, September 25, 2018 4:37 PM
> To: edk2-devel@lists.01.org
> Cc: Gao, Liming <liming....@intel.com>; Kinney, Michael D
> <michael.d.kin...@intel.com>; Shaw, Kevin W <kevin.w.s...@intel.com>
> Subject: [Patch] Build Spec: Update EBNF of --pcd for String type to at least
> one char
>
> Update the '*' in the EBNF to '+' which means in the string there at
> least need one char. the case like "" is not supported.
>
> Cc: Liming Gao <liming....@intel.com>
> Cc: Michael Kinney <michael.d.kin...@intel.com>
> Cc: Kevin W Shaw <kevin.w.s...@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Yonghong Zhu <yonghong....@intel.com>
> ---
> appendix_d_buildexe_command/d4_usage.md | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/appendix_d_buildexe_command/d4_usage.md
> b/appendix_d_buildexe_command/d4_usage.md
> index 16c3630..00928f3 100644
> --- a/appendix_d_buildexe_command/d4_usage.md
> +++ b/appendix_d_buildexe_command/d4_usage.md
> @@ -214,12 +214,12 @@ precedence over PCD provided in DSC, FDF, INF, and DEC
> files.
> <HexNumber> ::= {"0x"} {"0X"} (a-fA-F0-9){1,16}
> <Boolean> ::= {<True>} {<False>}
> <True> ::= {"TRUE"} {"True"} {"true"} {"1"} {"0x1"} {"0x01"}
> <False> ::= {"FALSE"} {"False"} {"false"} {"0"} {"0x0"} {"0x00"}
> <String> ::= {<QuotedStr>} {<SglQuotedStr>}
> -<QuotedStr> ::= ["L"] <DblQuote> <PrintChars>* <DblQuote>
> -<SglQuotedStr> ::= ["L"] <DblQuote> "\" <SglQuote> <PrintChars>*
> +<QuotedStr> ::= ["L"] <DblQuote> <PrintChars>+ <DblQuote>
> +<SglQuotedStr> ::= ["L"] <DblQuote> "\" <SglQuote> <PrintChars>+
> "\" <SglQuote> <DblQuote>
> <PrintChars> ::= {<TS>} {<CChars>}
> <DblQuote> ::= 0x22
> <SglQuote> ::= 0x27
> <CChars> ::= {0x21} {(0x23 - 0x26)} {(0x28 - 0x5B)} {(0x5D - 0x7E)}
> --
> 2.6.1.windows.1
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